A049815 a(n) = Sum_{k=1..n} T(n,k), array T as in A049805.

2, 5, 10, 16, 26, 34, 50, 63, 82, 98, 127, 144, 181, 205, 237, 268, 320, 347, 407, 442, 493, 537, 613, 651, 729, 782, 855, 911, 1014, 1057, 1170, 1240, 1331, 1405, 1512, 1574, 1716, 1801, 1911, 1992, 2152, 2219, 2389, 2487

Offset: 1

Author

Clark Kimberling

Keywords

• nonn

Crossrefs

Cf. A049805.