A374052 Numbers k for which A113177(k) is a multiple of 3, where A113177 is fully additive with a(p) = Fibonacci(p).

1, 6, 8, 10, 21, 22, 26, 27, 28, 35, 36, 38, 45, 48, 51, 58, 60, 64, 68, 69, 74, 75, 77, 80, 85, 86, 91, 92, 93, 98, 99, 100, 106, 115, 117, 118, 122, 123, 124, 125, 126, 132, 133, 134, 141, 155, 156, 162, 164, 165, 166, 168, 171, 176, 187, 188, 195, 202, 203, 205, 208, 210, 213, 214, 216, 218, 219, 220, 221, 224

Offset: 1

Author

Antti Karttunen, Jun 28 2024

Keywords

• nonn

Comments

A multiplicative semigroup: if m and n are in the sequence, then so is m*n.

Links

• Antti Karttunen, Table of n, a(n) for n = 1..12000

Crossrefs

Cf. A000045, A113177, A374051 (characteristic function).

Programs

PARI

isA374052 = A374051;