A115248 Values such that A115247(a(n))=1. Values such that A001935(a(n))==2 (mod 4).

2, 5, 9, 11, 12, 14, 17, 19, 24, 29, 30, 32, 35, 39, 42, 44, 46, 50, 51, 53, 54, 56, 57, 65, 71, 72, 74, 75, 77, 80, 82, 84, 95, 96, 100, 101, 104, 107, 109, 110, 116, 117, 119, 122, 126, 127, 128, 129, 131, 137, 141, 144, 149, 150, 152, 154, 156, 161, 162, 165, 170

Offset

0,1

Comments

All values are the sum of a triangular number A000217 and a square A000290.

Links

Table of n, a(n) for n=0..60.

K. Alladi, Partition Identities Involving Gaps and Weights, Transactions of the American Mathematical Society, Vol. 349, No. 12, Dec 1997, pp. 5001-5019.

Crossrefs

Cf. A005123, A115249.

Sequence in context: A088343 A110781 A170838 * A005123 A332821 A283481

Adjacent sequences: A115245 A115246 A115247 * A115249 A115250 A115251

Keyword

nonn

Author

Christian G. Bower, Jan 17 2006

Status

approved