A049720 a(n)=T(n,1), array T as in A048149.

3, 4, 8, 13, 19, 28, 37, 48, 62, 75, 92, 108, 127, 150, 170, 195, 218, 247, 277, 304, 337, 369, 406, 441, 475, 518, 559, 604, 646, 689, 740, 786, 841, 890, 945, 1001, 1052, 1115, 1173, 1236, 1299, 1360, 1428, 1497, 1568, 1638, 1707

Offset

0,1

Links

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

Crossrefs

Sequence in context: A375420 A033955 A327466 * A078172 A022308 A278137

Adjacent sequences: A049717 A049718 A049719 * A049721 A049722 A049723

Keyword

nonn

Author

Clark Kimberling

Status

approved