A106217 Positions of 1's in A106216.

0, 3, 24, 30, 48, 57, 63, 72, 81, 99, 105, 114, 120, 129, 132, 135, 141, 147, 156, 159, 168, 177, 180, 195, 198, 201, 204, 207, 210, 222, 243, 249, 252, 261, 267, 279, 282, 285, 297, 309, 312, 315, 327, 333, 342, 351, 375, 387, 393, 399, 402, 408, 411, 414

Offset: 0

Author

Paul D. Hanna, May 01 2005

Keywords

• nonn

Crossrefs

Cf. A106216, A106218, A106219.

Programs

PARI

Formula

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