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A175712
The third column of the Lucas Fibonacci sum of binomials A175685.
0
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
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
KEYWORD
nonn
AUTHOR
Roger L. Bagula, Dec 04 2010
STATUS
approved