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

1,2

Links

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

Prog

(PARI) isA374472 = A374471;

Crossrefs

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

Indices of even terms in A374470.

Intersection of A000379 and A028260.

Sequence in context: A320911 A371781 A362617 * A238748 A367590 A268390

Adjacent sequences: A374469 A374470 A374471 * A374473 A374474 A374475

Keyword

nonn

Author

Antti Karttunen, Jul 14 2024

Status

approved