A323613 Antidiagonal sums of A323182.

1, 1, 2, 8, 27, 105, 492, 2584, 14893, 93625, 637342, 4663856, 36455959, 302825585, 2661650680, 24662914640, 240141823417, 2450053360913, 26125165902810, 290487741343352, 3361177509359859, 40396577112990745, 503447944487902244, 6496090993661295784, 86660903426459105701

Offset: 0

Author

Seiichi Manyama, Jan 20 2019

Keywords

• nonn

Examples

			a(1) = 0 + 1 = 1.
a(2) = -1 + 2 + 1 = 2.
a(3) = 0 + 3 + 4 + 1 = 8.
		

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..532
• Index entries for sequences related to Chebyshev polynomials.

Crossrefs

Cf. A101125, A323182.

Programs

Mathematica

Table[Sum[ChebyshevU[k, n - k], {k, 0, n}], {n, 0, 30}] (* Vaclav Kotesovec, Jan 20 2019 *)

PARI

{a(n) = sum(k=0, n, polchebyshev(k, 2, n-k))}