A358850 Primorial base exp-function reduced modulo 12.

1, 2, 3, 6, 9, 6, 5, 10, 3, 6, 9, 6, 1, 2, 3, 6, 9, 6, 5, 10, 3, 6, 9, 6, 1, 2, 3, 6, 9, 6, 7, 2, 9, 6, 3, 6, 11, 10, 9, 6, 3, 6, 7, 2, 9, 6, 3, 6, 11, 10, 9, 6, 3, 6, 7, 2, 9, 6, 3, 6, 1, 2, 3, 6, 9, 6, 5, 10, 3, 6, 9, 6, 1, 2, 3, 6, 9, 6, 5, 10, 3, 6, 9, 6, 1, 2, 3, 6, 9, 6, 7, 2, 9, 6, 3, 6, 11, 10

Offset: 0

Author

Antti Karttunen, Dec 03 2022

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 0..100000
• Index entries for sequences related to primorial base

Crossrefs

Cf. A010881, A276086, A353486, A358840.

Programs

PARI

A358850(n) = { my(m=1, p=2); while(n, m *= (p^(n%p)); n = n\p; p = nextprime(1+p)); (m%12); };

Formula

a(n) = A010881(A276086(n)) = A276086(n) mod 12.