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.
%I A344975 #15 Jun 05 2021 16:43:55 %S A344975 6,10,18,21,24,26,28,34,36,39,40,50,55,57,58,68,74,75,78,82,93,96,98, %T A344975 100,106,111,120,122,129,136,146,147,150,155,162,164,171,178,183,194, %U A344975 196,201,202,203,205,218,219,222,224,226,237,242,250,253,274,288,291,292,294,298,300,301,305,309,314,324,327,333 %N A344975 Numbers k such that A011772(k) divides A344875(k), but k is not a power of prime (in A000961). %C A344975 This is not a subsequence of A344882. The first terms of this sequence that do not occur there are: 900, 1260, 1560, ... etc, see A344694. First terms of A344882 not present here are: 60, 66, 88, 92, 105, etc. %o A344975 (PARI) isA344975(n) = ((n>1)&&!isprimepower(n)&&(0==A344973(n))); %Y A344975 Cf. A000961, A011772, A344875, A344882, A344973. %Y A344975 Intersection of A024619 and A344974. %Y A344975 Cf. also A344595, A344694, A344978 (subsequences). %K A344975 nonn %O A344975 1,1 %A A344975 _Antti Karttunen_, Jun 04 2021