A356316 Numbers k such that k divides the least j >= k for which k and A276086(j) are coprime, where A276086 is the primorial base exp-function.

1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 22, 23, 24, 26, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 41, 42, 43, 44, 46, 47, 48, 52, 53, 54, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 70, 71, 72, 73, 74, 76, 77, 78, 79, 82, 83, 86, 88, 89, 90, 92, 94, 95, 96, 97, 101, 102, 103, 104, 105, 106, 107

Offset: 1

Author

Antti Karttunen, Nov 04 2022

Keywords

• nonn

Comments

Numbers k such that k divides A356309(k).

Links

• Index entries for sequences related to primorial base

Crossrefs

Cf. A276086, A356309, A356315 (characteristic function), A356317 (complement).

Disjoint union of A324583 and A356318.

Programs

PARI

isA356316(n) = A356315(n);