A379226 Numbers k for which A113177(k) is a multiple of 5, where A113177 is fully additive with a(p) = Fibonacci(p).

1, 5, 18, 21, 22, 24, 25, 28, 32, 39, 52, 58, 62, 90, 102, 105, 110, 119, 120, 125, 136, 138, 140, 141, 142, 159, 160, 161, 171, 178, 184, 188, 195, 201, 209, 212, 218, 219, 221, 222, 228, 243, 258, 259, 260, 262, 266, 268, 290, 292, 296, 297, 298, 299, 301, 302, 304, 310, 321, 324, 339, 344, 363, 369, 378, 381, 382

Offset: 1

Author

Antti Karttunen, Dec 20 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..20000

Crossrefs

Positions of multiples of 5 in A113177 and in A374124.

Cf. A000045, A030426, A374208, A379225, A379227 (characteristic function).

Cf. also A373586, A374052, A379116.

Programs

PARI

is_A379226 = A379227;