A025946 Expansion of 1/((1-2x)(1-3x)(1-7x)(1-11x)).

1, 23, 356, 4702, 57435, 672441, 7683502, 86531384, 965954429, 10724321179, 118659465288, 1310098171746, 14444989850383, 159132262849037, 1752116527119314, 19284913291752988, 212215466792375697

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Index entries for linear recurrences with constant coefficients, signature (23,-173,493,-462).

Formula

a(n)=(5*11^(n+3)-18*7^(n+3)+45*3^(n+3)-32*2^(n+3))/1440. From Yahia Kahloune, May 22 2013.

Crossrefs

Sequence in context: A020579 A021914 A022412 * A118115 A020572 A021884

Adjacent sequences: A025943 A025944 A025945 * A025947 A025948 A025949

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved