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A024435 Expansion of 1/((1-x)(1-6x)(1-10x)(1-12x)). 1
1, 29, 561, 9121, 134897, 1882545, 25284337, 330685937, 4242985713, 53675466481, 671774536433, 8338419180273, 102834889732849, 1261772945322737, 15418912066155249, 187803876238668529 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
FORMULA
a(n) = (30*12^(n+3) - 55*10^(n+3) + 33*6^(n+3) - 8)/3960. [Yahia Kahloune, Jun 28 2013]
a(0)=1, a(1)=29, a(2)=561, a(3)=9121, a(n)=29*a(n-1)-280*a(n-2)+ 972*a(n-3)- 720*a(n-4). - Harvey P. Dale, Apr 20 2015
MATHEMATICA
CoefficientList[Series[1/((1-x)(1-6x)(1-10x)(1-12x)), {x, 0, 30}], x] (* or *) LinearRecurrence[{29, -280, 972, -720}, {1, 29, 561, 9121}, 30] (* Harvey P. Dale, Apr 20 2015 *)
CROSSREFS
Sequence in context: A024444 A026241 A024443 * A020979 A025985 A020978
KEYWORD
nonn,easy
AUTHOR
STATUS
approved

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Last modified March 29 05:41 EDT 2024. Contains 371264 sequences. (Running on oeis4.)