I've plotted the distinct values of $f_n(x)=\pi(x)\pi(n-x),$ for some index on the x-axis. The plot seems to form bands, the most visible one being at the top. $\pi(x)$ is the prime counting function.
Q: Does anyone know why this occurs?
2026-04-18 18:36:05.1776537365
Does anyone know why this plot forms bands?
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