A049750 a(n) = Sum_{i=0..floor(n/2)} T(2i,n-2i), array T as in A049747.

0, 2, 6, 10, 23, 33, 60, 74, 121, 147, 218, 256, 349, 407, 552, 612, 785, 875, 1094, 1210, 1501, 1603, 1948, 2088, 2503, 2677, 3146, 3344, 3891, 4125, 4764, 5014, 5751, 6033, 6850, 7156, 8075, 8441, 9436, 9856, 10985, 11429, 12682, 13154, 14541, 15065, 16560

Offset

0,2

Links

Table of n, a(n) for n=0..46.

Crossrefs

Sequence in context: A125527 A200572 A342136 * A295139 A134016 A072297

Adjacent sequences: A049747 A049748 A049749 * A049751 A049752 A049753

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Sean A. Irvine, Aug 06 2021

Status

approved