A175712 The third column of the Lucas Fibonacci sum of binomials A175685.

0, 1, 1, 2, 3, 5, 8, 13, 21, 33, 54, 79, 133, 176, 309, 365, 674, 709, 1383, 1300, 2683, 2267, 4950, 3785, 8735, 6085, 14820, 9465, 24285, 14302, 38587

Offset

0,4

Links

Table of n, a(n) for n=0..30.

Formula

a(n) = A175685(n,3), n>=1 .

Mathematica

Table[Sum[Binomial[n - j - 1, j], {j, Floor[(n - 1)/2] - 3, Floor[(
    n - 1)/2]}], {n, 0, 30}]

Crossrefs

Cf. A000045, A175685, A175686.

Sequence in context: A111917 A309676 A280198 * A013986 A121343 A321021

Adjacent sequences: A175709 A175710 A175711 * A175713 A175714 A175715

Keyword

nonn

Author

Roger L. Bagula, Dec 04 2010

Status

approved