

A169833


a(n) = 25*2^(n+3)  (198+392*n/3+36*n^2+10*n^3/3).


1



2, 32, 170, 596, 1690, 4232, 9802, 21580, 45946, 95680, 196362, 399172, 806490, 1623096, 3258570, 6532092, 13082042, 26185200, 52395146, 104819060, 209671322, 419380712, 838804810, 1677658796, 3355373050, 6710808352, 13421686282, 26843450020, 53686985946
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OFFSET

0,1


COMMENTS

The formula given in the reference (in Eq. (9)) is wrong.


LINKS

B. Berselli, Table of n, a(n) for n = 0..1000 [From Bruno Berselli, Jun 04 2010]
P. Nissen and J. Taylor, Running clubs  a combinatorial investigation, Math. Mag., 64 (No. 1, 1991), 3944.
Index entries for linear recurrences with constant coefficients, signature (6, 14, 16, 9, 2).


FORMULA

From Bruno Berselli, Jun 04 2010: (Start)
G.f.: 2*(1+10*x+3*x^24*x^3)/[(12*x)*(1x)^4]
a(n)6*a(n1)+14*a(n2)16*a(n3)+9*a(n4)2*a(n5) = 0, with n>4. (End)


CROSSREFS

Sequence in context: A236550 A012642 A244730 * A228582 A128789 A053316
Adjacent sequences: A169830 A169831 A169832 * A169834 A169835 A169836


KEYWORD

nonn


AUTHOR

N. J. A. Sloane, Jun 01 2010


STATUS

approved



