A125896 Floor(((1+sqrt(7))/2)^n).

1, 1, 3, 6, 11, 20, 36, 66, 121, 222, 405, 738, 1346, 2453, 4472, 8153, 14863, 27093, 49388, 90029, 164112, 299156, 545324, 994058, 1812045, 3303133, 6021201, 10975901, 20007704, 36471557, 66483113, 121190448, 220915119, 402700792

Offset

0,3

Links

Table of n, a(n) for n=0..33.

Mathematica

Table[Floor[((1 + Sqrt[7])/2)^n], {n, 0, 100}]

Crossrefs

Cf. A125890-A125899.

Sequence in context: A119861 A255061 A018075 * A265077 A094989 A052467

Adjacent sequences: A125893 A125894 A125895 * A125897 A125898 A125899

Keyword

nonn

Author

Artur Jasinski, Dec 13 2006

Extensions

Added a(0)=1 - Jon Perry, Mar 15 2014

Status

approved