A049707 a(n) = T(n,n+3), array T as in A049704.

1, 1, 3, 6, 9, 12, 17, 22, 27, 33, 39, 48, 56, 64, 71, 82, 92, 105, 116, 129, 139, 153, 167, 183, 197, 213, 227, 247, 262, 285, 303, 325, 342, 362, 379, 403, 426, 451, 471, 497, 520, 551, 576, 605, 627, 657, 685, 720, 746, 778, 802, 839, 870, 907, 934, 967

Offset: 0

Author

Clark Kimberling

Keywords

• nonn

Extensions

More terms from Sean A. Irvine, Aug 06 2021