A049619 a(n) = Sum_{i=0..floor((n+1)/2)} T(2i+1,n-2i-1) where T is A049615.

0, 0, 0, 3, 4, 11, 14, 26, 30, 49, 56, 82, 92, 126, 138, 184, 200, 256, 276, 343, 366, 449, 478, 574, 608, 720, 758, 889, 934, 1081, 1134, 1298, 1352, 1540, 1602, 1814, 1888, 2120, 2196, 2456, 2544, 2826, 2924, 3229, 3330, 3669, 3782, 4146, 4268, 4661, 4792

Offset

0,4

Links

Table of n, a(n) for n=0..50.

Crossrefs

Sequence in context: A075646 A133621 A216558 * A295067 A263262 A249650

Adjacent sequences: A049616 A049617 A049618 * A049620 A049621 A049622

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Sean A. Irvine, Aug 05 2021

Status

approved