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A028112
Expansion of 1/((1-4x)(1-5x)(1-6x)(1-10x)).
0
1, 25, 401, 5285, 62601, 696045, 7442401, 77640805, 797399801, 8108665565, 81939294801, 824736146325, 8280574247401, 83010854259085, 831368657137601, 8321395551579845, 83260955156605401, 832895295388684605
OFFSET
0,2
FORMULA
a(n)=(10^(n+3)-15*6^(n+3)+24*5^(n+3)-10*4^(n+3))/120. [Yahia Kahloune, Jun 11 2013]
MAPLE
[seq( (10^(n+3)-15*6^(n+3)+24*5^(n+3)-10*4^(n+3))/120, n=0..40)];
MATHEMATICA
CoefficientList[Series[1/((1-4x)(1-5x)(1-6x)(1-10x)), {x, 0, 20}], x] (* or *) LinearRecurrence[ {25, -224, 860, -1200}, {1, 25, 401, 5285}, 20] (* Harvey P. Dale, Apr 13 2022 *)
CROSSREFS
Sequence in context: A028116 A028075 A042204 * A238511 A028064 A028061
KEYWORD
nonn
AUTHOR
STATUS
approved