A048205 a(n)=T(n+2,n), array T given by A048201.

4, 9, 17, 27, 41, 56, 72, 93, 115, 140, 166, 194, 227, 261, 296, 332, 370, 410, 452, 498, 546, 595, 645, 698, 755, 815, 877, 941, 1006, 1076, 1153, 1233, 1314, 1397, 1482, 1568, 1658, 1749, 1841, 1941, 2045, 2152, 2260, 2376

Offset

1,1

Links

Table of n, a(n) for n=1..44.

Formula

a(n) = A004978(n+3) - 4. - Sean A. Irvine, Jun 05 2021

Crossrefs

Cf. A004978.

Sequence in context: A022789 A033607 A019572 * A078567 A033617 A033613

Adjacent sequences: A048202 A048203 A048204 * A048206 A048207 A048208

Keyword

nonn

Author

Clark Kimberling

Status

approved