A106213 Positions n where A083349(n) = 1 (mod 3).

0, 3, 6, 24, 33, 42, 45, 54, 60, 66, 69, 78, 87, 93, 102, 108, 111, 120, 129, 144, 153, 162, 165, 174, 183, 186, 195, 204, 213, 216, 225, 228, 231, 237, 240, 258, 261, 267, 279, 285, 300, 306, 312, 321, 333, 336, 351, 363, 366, 384, 390, 408, 414, 417, 420, 429

Offset: 0

Author

Paul D. Hanna, May 01 2005

Keywords

• nonn

Comments

A083349 is the minimal permutation of the positive integers having a self-convolution cube-root.

Crossrefs

Cf. A083349, A106214, A083350.

Programs

PARI

Formula

a(n) = 0 (mod 3) for n>=0.