A135962 a(n) = binomial(floor(n*(sqrt(5)+1)/2), n) for n>=0.

1, 1, 3, 4, 15, 56, 84, 330, 495, 2002, 8008, 12376, 50388, 203490, 319770, 1307504, 2042975, 8436285, 34597290, 54627300, 225792840, 354817320, 1476337800, 6107086800, 9669554100, 40225345056, 166509721602, 265182149218

Offset

0,3

Links

Table of n, a(n) for n=0..27.

Mathematica

Table[Binomial[Floor[n GoldenRatio], n], {n, 0, 30}] (* Harvey P. Dale, Aug 05 2011 *)

Prog

(PARI) a(n)=binomial(floor(n*(sqrt(5)+1)/2), n)

Crossrefs

Cf. A135963.

Sequence in context: A176755 A299684 A211182 * A171062 A171061 A331869

Adjacent sequences: A135959 A135960 A135961 * A135963 A135964 A135965

Keyword

nonn

Author

Paul D. Hanna, Dec 11 2007

Status

approved