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A028185
Expansion of 1/((1-5x)(1-7x)(1-9x)(1-11x)).
0
1, 32, 650, 10720, 156891, 2127552, 27391540, 339890240, 4105242581, 48592072672, 566386687230, 6523917123360, 74453894585071, 843546156267392, 9502346083391720, 106552392368702080, 1190431518905528361
OFFSET
0,2
FORMULA
a(n)=(11^(n+3)-3*9^(n+3)+3*7^(n+3)-5^(n+3))/48. [Yahia Kahloune, Jun 05 2013]
MATHEMATICA
CoefficientList[Series[1/((1-5x)(1-7x)(1-9x)(1-11x)), {x, 0, 60}], x] (* Harvey P. Dale, Feb 26 2011 *)
LinearRecurrence[{32, -374, 1888, -3465}, {1, 32, 650, 10720}, 20] (* Harvey P. Dale, Apr 06 2023 *)
CROSSREFS
Sequence in context: A028204 A028190 A028202 * A028156 A028177 A028183
KEYWORD
nonn
AUTHOR
STATUS
approved