A049725 a(n) = Sum_{i=0..2n} (-1)^i * T(i,2n-i), array T as in A049723.

1, 12, 29, 69, 116, 192, 229, 324, 418, 533, 695, 818, 923, 1099, 1258, 1520, 1687, 1893, 2044, 2315, 2567, 2890, 3090, 3377, 3604, 4062, 4397, 4659, 5066, 5384, 5697, 6172, 6536, 7013, 7293, 7894, 8219, 8819, 9180, 9880

Offset

0,2

Links

Table of n, a(n) for n=0..39.

Crossrefs

Sequence in context: A353872 A212867 A178494 * A183723 A247152 A299041

Adjacent sequences: A049722 A049723 A049724 * A049726 A049727 A049728

Keyword

nonn

Author

Clark Kimberling

Extensions

Name corrected by Sean A. Irvine, Aug 06 2021

Status

approved