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

1,2

Links

Table of n, a(n) for n=1..70.

Prog

(PARI) isA359817(n) = A359816(n);

Crossrefs

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

Sequence in context: A256446 A022428 A096186 * A175041 A352342 A298823

Adjacent sequences: A359814 A359815 A359816 * A359818 A359819 A359820

Keyword

nonn

Author

Antti Karttunen, Jan 15 2023

Status

approved