A049694 a(n) = T(n,n+3), array T as in A049687.

1, 6, 10, 15, 22, 31, 38, 49, 62, 73, 88, 105, 116, 137, 158, 173, 198, 223, 240, 269, 298, 319, 348, 383, 408, 441, 480, 507, 548, 593, 620, 667, 706, 739, 790, 833, 868, 921, 978, 1015, 1072, 1133, 1168, 1233, 1298, 1339, 1402, 1469, 1516, 1583, 1654, 1705

Offset: 0

Author

Clark Kimberling

Keywords

• nonn

Extensions

More terms from Sean A. Irvine, Aug 06 2021