A073471 Trisection of A007294.

1, 2, 4, 7, 11, 17, 24, 35, 48, 66, 89, 117, 153, 197, 252, 320, 401, 501, 619, 763, 933, 1134, 1374, 1654, 1985, 2372, 2821, 3345, 3949, 4652, 5460, 6390, 7457, 8676, 10071, 11662, 13468, 15526, 17850, 20487, 23463, 26818, 30598, 34842, 39614, 44962

Offset

0,2

Links

Table of n, a(n) for n=0..45.

Prog

(Magma) function a007294(n, k) return n gt k*(k+1)/2 select a007294(n-k*(k+1)/2, k) + a007294(n, k+1) else n eq k*(k+1)/2 select 1 else 0; end function; [ a007294(n, 1): n in [1..136 by 3] ]; // Klaus Brockhaus, Jan 23 2009

Crossrefs

Cf. A007294, A073470, A073472.

Sequence in context: A078346 A301760 A122051 * A308825 A266901 A117649

Adjacent sequences: A073468 A073469 A073470 * A073472 A073473 A073474

Keyword

nonn

Author

Randall L Rathbun, Aug 26 2002

Extensions

More terms from Klaus Brockhaus, Jan 23 2009

Status

approved