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A059601
Expansion of (1+10*x+5*x^2)/(1-x)^10.
1
1, 20, 160, 820, 3190, 10252, 28600, 71500, 163735, 348920, 700128, 1334840, 2435420, 4276520, 7261040, 11966504, 19203965, 30091820, 46147200, 69397900, 102518130, 148991700, 213306600, 301185300
OFFSET
0,2
COMMENTS
a(n)= A038165(2*n).
LINKS
Index entries for linear recurrences with constant coefficients, signature (10, -45, 120, -210, 252, -210, 120, -45, 10, -1).
FORMULA
a(n)= binomial(n+7, 7)*(4*n^2+23*n+18)/18.
G.f.:(1+10*x+5*x^2)/(1-x)^10.
CROSSREFS
Sequence in context: A120692 A324948 A159470 * A125357 A126515 A118676
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Feb 02 2001.
STATUS
approved