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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A368904 Numbers k for which there is no prime p such that p^p divides A342001(k).

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%I A368904 #21 Apr 26 2025 20:53:47
%S A368904 2,3,4,5,6,7,8,9,10,11,13,14,17,18,19,21,22,23,24,25,26,27,29,30,31,
%T A368904 32,33,34,36,37,38,40,41,42,43,45,46,47,48,49,50,53,54,56,57,58,59,60,
%U A368904 61,62,63,64,65,66,67,69,70,71,72,73,74,75,77,78,79,80,82,83,84,85,86,88,89,90,93,94,96,97,98,99,100
%N A368904 Numbers k for which there is no prime p such that p^p divides A342001(k).
%C A368904 Numbers k such that A342001(k) is in A048103.
%o A368904 (PARI) \\ See A368914.
%Y A368904 Union of A358215 and A368903.
%Y A368904 Cf. A003415, A048103, A100716, A342001, A359550, A368914 (characteristic function), A368920 (number of terms < 10^n).
%Y A368904 Cf. A368902 (subsequence), A368996 (complement).
%K A368904 nonn
%O A368904 1,1
%A A368904 _Antti Karttunen_, Jan 10 2024