A359772 Union of even numbers with an even number of prime factors and odd numbers with an odd number of prime factors, when the number of prime factors is counted with multiplicity.

3, 4, 5, 6, 7, 10, 11, 13, 14, 16, 17, 19, 22, 23, 24, 26, 27, 29, 31, 34, 36, 37, 38, 40, 41, 43, 45, 46, 47, 53, 54, 56, 58, 59, 60, 61, 62, 63, 64, 67, 71, 73, 74, 75, 79, 82, 83, 84, 86, 88, 89, 90, 94, 96, 97, 99, 100, 101, 103, 104, 105, 106, 107, 109, 113, 117, 118, 122, 125, 126, 127, 131, 132

Offset

1,1

Links

Table of n, a(n) for n=1..73.

Prog

(PARI) isA359772(n) = !A359770(n);

Crossrefs

Union of A063745 and A067019.

Positions of even terms in A069345. Positions of 0's in A359770.

Cf. A001222, A359771 (complement).

Sequence in context: A351392 A112874 A159973 * A158008 A106155 A271376

Adjacent sequences: A359769 A359770 A359771 * A359773 A359774 A359775

Keyword

nonn

Author

Antti Karttunen, Jan 15 2023

Status

approved