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A359817 Positions of odd terms in A359815, where A359815 is the Dirichlet inverse of A359770, which is the characteristic function for numbers k such that k and bigomega(k) are of different parity.

%I A359817 #4 Jan 15 2023 19:51:24
%S A359817 1,2,4,9,12,15,16,18,20,21,25,28,30,32,33,35,36,39,42,44,49,50,51,52,
%T A359817 55,57,60,65,66,68,69,70,76,77,78,84,85,87,91,92,93,95,98,100,102,108,
%U A359817 110,111,114,115,116,119,121,123,124,128,129,130,132,133,135,138,140,141,143,145,148,154,155,156
%N A359817 Positions of odd terms in A359815, where A359815 is the Dirichlet inverse of A359770, which is the characteristic function for numbers k such that k and bigomega(k) are of different parity.
%o A359817 (PARI) isA359817(n) = A359816(n);
%Y A359817 Cf. A001222, A359770, A359815, A359816 (characteristic function).
%K A359817 nonn
%O A359817 1,2
%A A359817 _Antti Karttunen_, Jan 15 2023