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A120469
Expansion of a rational g.f., see formula.
0
1, 5, 34, 240, 1755, 12787, 93549, 683653, 4999040, 36546925, 267210674, 1953631757, 14283593763, 104431164565, 763525632740, 5582346722921, 40814089880858, 298403135454915, 2181708201960095, 15951074407242085
OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,48,112,-366,-1292,265,3892,2008,-3458,-2902,146,436,48).
FORMULA
G.f.: -(20*x^12 +184*x^11 +121*x^10 -915*x^9 -1524*x^8 -132*x^7 +1068*x^6 +581*x^5 -71*x^4 -112*x^3 -14*x^2 +5*x +1) / ((3*x +1)*(16*x^12 +140*x^11 +2*x^10 -968*x^9 -830*x^8 +946*x^7 +982*x^6 -239*x^5 -351*x^4 -5*x^3 +39*x^2 +3*x -1)). - Colin Barker, May 17 2013
CROSSREFS
Sequence in context: A291027 A033889 A334608 * A180909 A183415 A066559
KEYWORD
nonn,easy,less
AUTHOR
STATUS
approved