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A323613
Antidiagonal sums of A323182.
2
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
0,3
EXAMPLE
a(1) = 0 + 1 = 1.
a(2) = -1 + 2 + 1 = 2.
a(3) = 0 + 3 + 4 + 1 = 8.
MATHEMATICA
Table[Sum[ChebyshevU[k, n - k], {k, 0, n}], {n, 0, 30}] (* Vaclav Kotesovec, Jan 20 2019 *)
PROG
(PARI) {a(n) = sum(k=0, n, polchebyshev(k, 2, n-k))}
CROSSREFS
Sequence in context: A096647 A054109 A305256 * A150710 A150711 A150712
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Jan 20 2019
STATUS
approved