A359772 - OEIS

%I #6 Jan 15 2023 15:09:52

%S 3,4,5,6,7,10,11,13,14,16,17,19,22,23,24,26,27,29,31,34,36,37,38,40,

%T 41,43,45,46,47,53,54,56,58,59,60,61,62,63,64,67,71,73,74,75,79,82,83,

%U 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

%N 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.

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

%Y Union of A063745 and A067019.

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

%Y Cf. A001222, A359771 (complement).

%K nonn

%O 1,1

%A _Antti Karttunen_, Jan 15 2023