A073472 - OEIS

A073472

Trisection of A007294.

1, 2, 4, 7, 11, 17, 25, 36, 50, 68, 92, 121, 159, 205, 262, 332, 417, 520, 645, 793, 971, 1180, 1430, 1722, 2065, 2467, 2934, 3478, 4109, 4835, 5676, 6638, 7747, 9013, 10459, 12108, 13980, 16110, 18522, 21247, 24333, 27800, 31715, 36106, 41039, 46567

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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, 2): n in [2..137 by 3] ]; // Klaus Brockhaus, Jan 23 2009

CROSSREFS

Cf. A007294, A073471, A073470.

Sequence in context: A175491 A034379 A007000 * A096914 A004250 A289060

Adjacent sequences: A073469 A073470 A073471 * A073473 A073474 A073475

KEYWORD

nonn

AUTHOR

Randall L Rathbun, Aug 26 2002

EXTENSIONS

More terms from Klaus Brockhaus, Jan 23 2009

STATUS

approved