A356317 Numbers k such that k does not divide the least j >= k for which k and A276086(j) are coprime, where A276086 is the primorial base exp-function.

9, 20, 21, 25, 27, 33, 39, 40, 45, 49, 50, 51, 55, 56, 57, 63, 69, 75, 80, 81, 84, 85, 87, 91, 93, 98, 99, 100, 110, 111, 112, 115, 117, 119, 123, 126, 129, 130, 133, 135, 140, 141, 145, 147, 153, 159, 160, 161, 165, 168, 170, 171, 175, 177, 182, 183, 189, 190, 195, 196, 200, 201, 203, 205, 207, 213, 219, 220, 225

Offset: 1

Author

Antti Karttunen, Nov 04 2022

Keywords

• nonn

Comments

Numbers k such that k does not divide A356309(k).

Links

• Index entries for sequences related to primorial base

Crossrefs

Subsequence of A324584.

Positions of 0's in A356315.

Cf. A276086, A356309, A356316 (complement), A356319 (subsequence).

Programs

PARI

isA356317(n) = !A356315(n);