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 A359766 #6 Jan 13 2023 16:25:39 %S A359766 2,3,5,7,8,11,12,13,16,17,18,19,20,23,27,28,29,30,31,32,36,37,41,42, %T A359766 43,44,45,47,48,50,52,53,59,61,63,64,66,67,68,70,71,72,73,75,76,78,79, %U A359766 80,81,83,89,92,96,97,98,99,100,101,102,103,105,107,108,109,110,112,113,114,116,117,120,124,125,127,128,130 %N A359766 Positions of even terms in A359763, where A359763 is the Dirichlet inverse of characteristic function of the numbers with an even number of prime factors (counted with multiplicity). %o A359766 (PARI) isA359766(n) = !A359764(n); %Y A359766 Positions of even terms in A359763 and in A359791. %Y A359766 Union of A026424 and A359767. %Y A359766 Cf. A065043, A359764, A359765 (complement). %K A359766 nonn %O A359766 1,1 %A A359766 _Antti Karttunen_, Jan 13 2023