A092423 Row sums of triangle A092422, which is generated from the even-numbered Fibonacci polynomials (A011973).

1, 2, 4, 9, 21, 50, 121, 297, 736, 1837, 4610, 11618, 29379, 74500, 189362, 482282, 1230460, 3144137, 8045057, 20610526, 52860253, 135707819, 348720196, 896833527, 2308229426, 5944998971, 15321681454, 39511323139, 101947848801, 263183509040, 679747862389, 1756432848707, 4540430713995

Offset

0,2

Links

Table of n, a(n) for n=0..32.

Prog

(PARI) T(n, k)=if(n<k||k<0, 0, if(k==0, 1, sum(j=0, min(k, n-k), binomial(k+j, k-j)*T(n-k, j))));
a(n)=sum(k=0, n, T(n, k));
vector(66, n, a(n-1))

Crossrefs

Cf. A092422.

Sequence in context: A261664 A355043 A091964 * A238438 A257104 A318008

Adjacent sequences: A092420 A092421 A092422 * A092424 A092425 A092426

Keyword

nonn

Author

Paul D. Hanna, Mar 22 2004

Status

approved