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Palindrome of numbers from 1-n

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#recreational-mathematics #palindrome
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Number of $n$-digit palindromes

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#combinatorics #elementary-number-theory #discrete-mathematics #palindrome
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Do all natural numbers have a nonzero multiple that is a palindrome in base 10?

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#number-theory #recreational-mathematics #palindrome
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Observation and conjecture on Lychrel numbers

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How to represent N as minimum number of palindrome numbers?

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#sequences-and-series #algorithms #palindrome
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How to find the count of d digit numbers such that N is divisible by Rev(N)?

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#sequences-and-series #fibonacci-numbers #palindrome
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Palindromic divisibility and primes

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208
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Probability of a palindrome

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#probability #permutations #combinations #palindrome
571
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What is the proof behind this pattern?

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#arithmetic #palindrome
136
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How to count number string that read the same in forward and backward

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#combinatorics #discrete-mathematics #palindrome
233
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Prove that if $z^n$ is a palindrome for some $n>0$, then $z$ is also a palindrome for any alphabet E.

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#combinatorics #discrete-mathematics #formal-languages #automata #palindrome
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How many 5-digit palindromes are divisible by 9?

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#divisibility #palindrome
59
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Number of configurations of dots and loops without mirrors

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#combinatorics #permutations #combinations #palindrome
544
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7 digit palindrome problem

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#combinatorics #number-theory #integers #palindrome
394
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Find the n-th base 2 palindrome

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#elementary-number-theory #palindrome

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