OFFSET
1,7
LINKS
Indranil Ghosh, Table of n, a(n) for n = 1..100
Eric Weisstein's World of Mathematics, Minimal Cover.
Index entries for linear recurrences with constant coefficients, signature (420,-75586,7555800,-453096049,16299368820,-325685329164,2788484181840).
FORMULA
G.f.: x^6/[(1-57x)(1-58x)(1-59x)(1-60x)(1-61x)(1-62x)(1-63x)].
MATHEMATICA
CoefficientList[Series[(x^6)/((1-57x)(1-58x)(1-59x)(1-60x)(1-61x)(1-62x)(1-63x)), {x, 0, 100}], x] (* Indranil Ghosh, Feb 20 2017 *)
CoefficientList[Series[x^6/Times@@(1-x*Range[57, 63]), {x, 0, 30}], x] (* or *) LinearRecurrence[{420, -75586, 7555800, -453096049, 16299368820, -325685329164, 2788484181840}, {0, 0, 0, 0, 0, 0, 1}, 30] (* Harvey P. Dale, Aug 06 2018 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved