A356318 Numbers k such that the least j >= k for which k and A276086(j) are coprime is a nontrivial multiple of k, where A276086 is the primorial base exp-function.

3, 10, 15, 35, 42, 70, 77, 105, 154, 231, 286, 330, 385, 429, 462, 715, 770, 858, 1001, 1155, 1430, 2002, 2145, 2431, 2730, 3003, 3094, 3315, 4199, 4290, 4641, 4862, 5005, 6006, 6630, 7293, 7735, 8398, 9282, 10010, 12155, 12597, 14586, 15015, 15470, 17017, 20995, 23205, 24310, 25194, 29393, 33915, 34034, 35530, 36465

Offset: 1

Author

Antti Karttunen, Nov 04 2022

Keywords

• nonn

Comments

Numbers k such that k divides A356309(k) and A356309(k) > k.

Numbers k for which A356302(k) is a nonzero multiple of k.

Links

• Index entries for sequences related to primorial base

Crossrefs

Setwise difference A356316 \ A324583. Intersection of A324584 and A356316.

Cf. A276086, A356162, A356302, A356309, A356315, A356319.

Programs

PARI

isA356318(n) = { my(u=A356302(n)); (u && !(u%n)); }; \\ Needs also code from A356302.