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 A017644 #8 Jul 08 2025 06:15:22
%S A017644 10000,234256,1336336,4477456,11316496,24010000,45212176,78074896,
%T A017644 126247696,193877776,285610000,406586896,562448656,759333136,
%U A017644 1003875856,1303210000,1664966416,2097273616
%N A017644 (12n+10)^4.
%H A017644 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (5, -10, 10, -5, 1).
%F A017644 a(0)=10000, a(1)=234256, a(2)=1336336, a(3)=4477456, a(4)=11316496, a(n)=5*a(n-1)-10*a(n-2)+10*a(n-3)-5*a(n-4)+a(n-5). - _Harvey P. Dale_, Jan 22 2016
%t A017644 (12*Range[0,20]+10)^4 (* or *) LinearRecurrence[{5,-10,10,-5,1},{10000,234256,1336336,4477456,11316496},20] (* _Harvey P. Dale_, Jan 22 2016 *)
%K A017644 nonn,easy
%O A017644 0,1
%A A017644 _N. J. A. Sloane_