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.

1, 2, 4, 9, 12, 15, 16, 18, 20, 21, 25, 28, 30, 32, 33, 35, 36, 39, 42, 44, 49, 50, 51, 52, 55, 57, 60, 65, 66, 68, 69, 70, 76, 77, 78, 84, 85, 87, 91, 92, 93, 95, 98, 100, 102, 108, 110, 111, 114, 115, 116, 119, 121, 123, 124, 128, 129, 130, 132, 133, 135, 138, 140, 141, 143, 145, 148, 154, 155, 156

Offset: 1

Author

Antti Karttunen, Jan 15 2023

Keywords

• nonn

Crossrefs

Cf. A001222, A359770, A359815, A359816 (characteristic function).

Programs

PARI

isA359817(n) = A359816(n);