This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A046634 #17 Mar 27 2024 13:47:09 %S A046634 1,6,9,35,210,1083,6253,37518,222705,1331099,7986594,47871651, %T A046634 287102581,1722615486,10334532969,62003849075,372023094450, %U A046634 2232108315723,13392560190013,80355361140078,482131358602785 %N A046634 Number of cubic residues mod 6^n. %H A046634 <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (6,0,36,-216,0,-251,1506,0,216,-1296) %F A046634 From _R. J. Mathar_, Feb 27 2011: (Start) %F A046634 a(n) = A046530(6^n) = A046631(n)*A046630(n). %F A046634 a(n) = +6*a(n-1) +36*a(n-3) -216*a(n-4) -251*a(n-6) +1506*a(n-7) +216*a(n-9) -1296*a(n-10). %F A046634 G.f.: ( 1-27*x^2-55*x^3+795*x^5+690*x^6-2808*x^8-1296*x^9 ) / ( (x-1) *(6*x-1) *(3*x-1) *(2*x-1) *(1+x+x^2) *(4*x^2+2*x+1) *(9*x^2+3*x+1) ). (End) %t A046634 LinearRecurrence[{6,0,36,-216,0,-251,1506,0,216,-1296},{1,6,9,35,210,1083,6253,37518,222705,1331099},30] (* _Harvey P. Dale_, Mar 17 2023 *) %K A046634 nonn,easy %O A046634 0,2 %A A046634 _David W. Wilson_