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 A359765 #8 Jan 13 2023 16:25:34 %S A359765 1,4,6,9,10,14,15,21,22,24,25,26,33,34,35,38,39,40,46,49,51,54,55,56, %T A359765 57,58,60,62,65,69,74,77,82,84,85,86,87,88,90,91,93,94,95,104,106,111, %U A359765 115,118,119,121,122,123,126,129,132,133,134,135,136,140,141,142,143,144,145,146,150,152,155,156 %N A359765 Positions of odd 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 A359765 (PARI) isA359765(n) = A359764(n); %Y A359765 Positions of odd terms in A359763 and in A359791. %Y A359765 Setwise difference A028260 \ A359767. %Y A359765 Cf. A065043, A359764 (characteristic function), A359766 (complement). %Y A359765 Cf. also A359596. %K A359765 nonn %O A359765 1,2 %A A359765 _Antti Karttunen_, Jan 13 2023