A371089 Numbers k such that A003557(k) does not divide A276086(k), where A003557(k) is k divided by its largest squarefree divisor, and A276086 is the primorial base exp-function.

4, 8, 12, 16, 18, 20, 24, 27, 28, 32, 36, 40, 44, 48, 52, 54, 56, 60, 64, 68, 72, 76, 80, 81, 84, 88, 90, 92, 96, 100, 104, 108, 112, 116, 120, 121, 124, 125, 126, 128, 132, 135, 136, 140, 144, 148, 150, 152, 156, 160, 162, 164, 168, 169, 172, 176, 180, 184, 188, 189, 192, 196, 198, 200, 204, 208, 212, 216, 220, 224

Offset: 1

Author

Antti Karttunen, Mar 12 2024

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 1..10000
• Index entries for sequences related to primorial base

Crossrefs

Cf. A003557, A276086, A371087, A371088 (complement).

Subsequence of A013929.

Programs

PARI

isA371089(n) = !A371087(n); \\ See A371087.