A189407 n+[nr/t]+[ns/t]; r=1, s=-1+sqrt(3), t=1+sqrt(3).

1, 2, 4, 6, 7, 9, 10, 12, 14, 15, 17, 19, 20, 22, 24, 25, 27, 28, 30, 32, 33, 35, 37, 38, 40, 41, 43, 45, 46, 48, 50, 51, 53, 55, 56, 58, 59, 61, 63, 64, 66, 68, 69, 71, 73, 74, 76, 77, 79, 81, 82, 84, 86, 87, 89, 91, 92, 94, 95, 97, 99, 100, 102, 104, 105, 107, 108, 110, 112, 113, 115, 117, 118, 120, 122, 123, 125, 126, 128, 130, 131, 133, 135, 136, 138

Offset

1,2

Comments

See A189405.

Links

Table of n, a(n) for n=1..85.

Mathematica

(See A189405.)

Crossrefs

Cf. A189405, A189406.

Sequence in context: A026273 A184658 A247910 * A189518 A213733 A218608

Adjacent sequences: A189404 A189405 A189406 * A189408 A189409 A189410

Keyword

nonn

Author

Clark Kimberling, Apr 21 2011

Status

approved