A049616 a(n) = Sum_{i=1..n} T(i,n-i), where T is A049615.

0, 0, 2, 6, 13, 22, 36, 52, 73, 98, 130, 164, 207, 252, 306, 368, 439, 512, 598, 686, 787, 898, 1022, 1148, 1291, 1440, 1604, 1778, 1969, 2162, 2378, 2596, 2831, 3080, 3348, 3628, 3933, 4240, 4568, 4912, 5281, 5652, 6054, 6458, 6887, 7338, 7814, 8292, 8803

Offset

0,3

Links

Table of n, a(n) for n=0..48.

Crossrefs

Sequence in context: A194137 A226292 A026052 * A258603 A064960 A293503

Adjacent sequences: A049613 A049614 A049615 * A049617 A049618 A049619

Keyword

nonn

Author

Clark Kimberling

Extensions

More terms from Sean A. Irvine, Aug 05 2021

Status

approved