A358845 Numbers k for which A276086(6*k) == 1 (mod 6), where A276086 is the primorial base exp-function.

0, 2, 4, 5, 7, 9, 10, 12, 14, 15, 17, 19, 20, 22, 24, 25, 27, 29, 30, 32, 34, 36, 38, 41, 43, 46, 48, 51, 53, 56, 58, 61, 63, 66, 68, 70, 72, 74, 75, 77, 79, 80, 82, 84, 85, 87, 89, 90, 92, 94, 95, 97, 99, 100, 102, 104, 106, 108, 111, 113, 116, 118, 121, 123, 126, 128, 131, 133, 136, 138, 140, 142, 144

Offset: 1

Author

Antti Karttunen, Dec 03 2022

Keywords

• nonn

Links

• Index entries for sequences related to primorial base

Crossrefs

Cf. A276086, A328632, A358840, A358841, A358844 (complement), A358846 (its characteristic function).

Programs

PARI

A358841(n) = { my(m=1, p=2); while(n, m *= (p^(n%p)); n = n\p; p = nextprime(1+p)); (1==(m%6)); };
isA358845(n) = A358841(6*n);

Formula

a(n) = A328632(n) / 6.