A048204 a(n)=T(n+1,n), array T given by A048201.

2, 6, 11, 19, 29, 43, 58, 74, 95, 117, 142, 168, 196, 229, 263, 298, 334, 372, 412, 454, 500, 548, 597, 647, 700, 757, 817, 879, 943, 1008, 1078, 1155, 1235, 1316, 1399, 1484, 1570, 1660, 1751, 1843, 1943, 2047, 2154, 2262, 2378

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Formula

a(n) = A004978(n+2) - 2. - Sean A. Irvine, Jun 05 2021

Crossrefs

Cf. A004978.

Sequence in context: A194455 A163324 A317186 * A259411 A058760 A239071

Adjacent sequences: A048201 A048202 A048203 * A048205 A048206 A048207

Keyword

nonn

Author

Clark Kimberling

Status

approved