%I #12 Jan 29 2026 20:20:06

%S 1,1000000000000,2213314919066161,232218265089212416,

%T 6582952005840035281,89762301673555234816,766217865410400390625,

%U 4722366482869645213696,22902048046490258711521,92420056270299898187776,322475487413604782665681

%N a(n) = (9n+1)^12.

%H <a href="/index/Rec#order_13">Index entries for linear recurrences with constant coefficients</a>, signature (13, -78, 286, -715, 1287, -1716, 1716, -1287, 715, -286, 78, -13, 1).

%t (9*Range[0,10]+1)^12 (* _Harvey P. Dale_, Apr 18 2019 *)

%K nonn,easy

%O 0,2

%A _N. J. A. Sloane_