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Proof of formula of number of Power $\leq n$

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#sequences-and-series #oeis
345
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Triangle of Multinomial Coefficients

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#sequences-and-series #definition #triangles #multinomial-coefficients #oeis
156
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Intersection between OEIS-A050808 and OEIS-A080053

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#number-theory #elementary-number-theory #oeis
114
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How to get the period of oeis.org/A130166 other than by trail?

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#sequences-and-series #prime-numbers #recursion #oeis
434
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maximum nonattacking black and white queens on infinite chessboard

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#combinatorics #chessboard #oeis
1.3k
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Number of triplets for which $\gcd(a,b,c)=1$ and $c=n$

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#number-theory #mobius-inversion #oeis
719
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What is the $m$th derivative of $\log\left(1+\sum\limits_{k=1}^N n_kx^k\right)$ at $x=0$?

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#sequences-and-series #combinatorics #polynomials #oeis
290
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The number of distinct least prime factors in a sequence of consecutive integers

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#elementary-number-theory #prime-numbers #prime-factorization #oeis
173
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The minimum "height" of a convex polygon on $\mathbb{N}^2$.

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#combinatorics #discrete-mathematics #algorithms #oeis
221
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Whats the next number in OEIS A258107? (PART I of II)

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#sequences-and-series #oeis
404
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Proof of minor claim related to the Twin Primes Conjecture

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#number-theory #prime-numbers #diophantine-equations #twin-primes #oeis
97
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Explanation of OEIS:A000046

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#combinatorics #oeis
592
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Explanation of OEIS:A000236 - Residue Classes

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#modular-arithmetic #oeis
341
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Series-Parallel Numbers: Explanation for OEIS A000137

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#sequences-and-series #oeis
178
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Euler Transform between A000335 and A000292

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#sequences-and-series #oeis

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