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A017178
(9n+1)^6.
0
1, 1000000, 47045881, 481890304, 2565726409, 9474296896, 27680640625, 68719476736, 151334226289, 304006671424, 567869252041, 1000000000000, 1677100110841, 2699554153024, 4195872914689, 6327518887936
OFFSET
0,2
FORMULA
G.f.: ( -1-999993*x-40045902*x^2 -173569102*x^3 -145457817*x^4 -22302561*x^5 -262144*x^6 ) / (x-1)^7 . - R. J. Mathar, Jul 14 2016
CROSSREFS
Sequence in context: A289140 A033426 A277400 * A017274 A017514 A017646
KEYWORD
nonn,easy
AUTHOR
STATUS
approved