A049728 a(n)=T(n,n), array T as in A049723.

1, 6, 15, 35, 56, 88, 121, 162, 214, 267, 331, 396, 461, 553, 634, 734, 827, 931, 1040, 1153, 1289, 1414, 1554, 1691, 1832, 2004, 2161, 2329, 2502, 2678, 2867, 3056, 3264, 3469, 3681, 3902, 4107, 4351, 4584, 4840, 5081, 5330

Offset

0,2

Links

Table of n, a(n) for n=0..41.

Crossrefs

Sequence in context: A030661 A245630 A357848 * A038666 A075625 A006094

Adjacent sequences: A049725 A049726 A049727 * A049729 A049730 A049731

Keyword

nonn

Author

Clark Kimberling

Status

approved