A374472 Numbers k such that bigomega(k) and A064547(k) are both even, where A064547 is the count of 1-bits in the exponents of the prime factorization of n, and bigomega is the number of prime factors of n (with multiplicity).

1, 6, 10, 14, 15, 21, 22, 26, 33, 34, 35, 36, 38, 39, 46, 51, 55, 57, 58, 62, 64, 65, 69, 74, 77, 82, 85, 86, 87, 91, 93, 94, 95, 100, 106, 111, 115, 118, 119, 122, 123, 129, 133, 134, 141, 142, 143, 144, 145, 146, 155, 158, 159, 161, 166, 177, 178, 183, 185, 187, 194, 196, 201, 202, 203, 205, 206, 209, 210, 213

Offset: 1

Author

Antti Karttunen, Jul 14 2024

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 1..12000

Crossrefs

Cf. A001222, A064547, A374471 (characteristic function), A374473 (complement).

Indices of even terms in A374470.

Intersection of A000379 and A028260.

Programs

PARI

isA374472 = A374471;