A114177 Row sums of triangle A114176, where the g.f. of column n equals the g.f. of row n divided by (1-x)^(n+1)*(1-x^2)^n.

1, 2, 5, 14, 40, 118, 352, 1063, 3232, 9887, 30379, 93698, 289886, 899249, 2795887, 8710024, 27181265, 84953472, 265875085, 833096503, 2613243040, 8205119977, 25785240122, 81096956291, 255244064543, 803894140748, 2533446491717

Offset

0,2

Links

Table of n, a(n) for n=0..26.

Crossrefs

Cf. A114176, A114178 (central terms), A114179 (row sums-square).

Sequence in context: A136304 A190254 A075496 * A349413 A200438 A363933

Adjacent sequences: A114174 A114175 A114176 * A114178 A114179 A114180

Keyword

nonn

Author

Paul D. Hanna, Nov 15 2005

Status

approved