%I #6 Jul 14 2016 12:28:37
%S 1,1000000,47045881,481890304,2565726409,9474296896,27680640625,
%T 68719476736,151334226289,304006671424,567869252041,1000000000000,
%U 1677100110841,2699554153024,4195872914689,6327518887936
%N (9n+1)^6.
%H <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (7,-21,35,-35,21,-7,1).
%F 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
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_.