A077832 Expansion of 1/(1-2*x-3*x^2-3*x^3).

1, 2, 7, 23, 73, 236, 760, 2447, 7882, 25385, 81757, 263315, 848056, 2731328, 8796769, 28331690, 91247671, 293880719, 946499521, 3048384212, 9817909144, 31620469487, 101839819042, 327994773977, 1056370413541, 3402244606139, 10957584774832, 35291014608704

Offset

0,2

Links

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

Index entries for linear recurrences with constant coefficients, signature (2,3,3).

Prog

(PARI) Vec(1/(1-2*x-3*x^2-3*x^3)+O(x^99)) \\ Charles R Greathouse IV, Sep 27 2012

Crossrefs

Partial sums of S(n, x), x=1..17 see A077831 with links. Partial sums of S(n, 18) see A049664.

Sequence in context: A365692 A064686 A083313 * A030282 A291015 A273345

Adjacent sequences: A077829 A077830 A077831 * A077833 A077834 A077835

Keyword

nonn,easy

Author

N. J. A. Sloane, Nov 17 2002

Status

approved