A086604 2^(n-3)n(9n^2-9n+4).

0, 1, 22, 174, 896, 3680, 13152, 42784, 130048, 375552, 1041920, 2799104, 7323648, 18743296, 47079424, 116367360, 283639808, 682950656, 1626734592, 3837657088, 8975810560, 20831010816, 48005906432, 109926416384, 250248953856

Offset

0,3

Links

Table of n, a(n) for n=0..24.

Index entries for linear recurrences with constant coefficients, signature (8,-24,32,-16).

Formula

Inverse binomial transform of A086603. Binomial transform of A086605.

G.f.: x*(1+14*x+22*x^2) / (2*x-1)^4 . - R. J. Mathar, Nov 27 2014

Mathematica

LinearRecurrence[{8, -24, 32, -16}, {0, 1, 22, 174}, 30] (* Harvey P. Dale, May 08 2017 *)

Crossrefs

Sequence in context: A224407 A243143 A321268 * A041932 A125359 A126517

Adjacent sequences: A086601 A086602 A086603 * A086605 A086606 A086607

Keyword

easy,nonn

Author

Paul Barry, Jul 23 2003

Status

approved