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 A017359 #22 Sep 08 2022 08:44:42
%S A017359 823543,410338673,10460353203,94931877133,506623120463,1954897493193,
%T A017359 6060711605323,16048523266853,37725479487783,80798284478113,
%U A017359 160578147647843,300124211606973,532875860165503
%N A017359 a(n) = (10*n + 7)^7.
%C A017359 The penultimate digit of a(n) is period 10, repeat (4,7,0,3,6,9,2,5,8,1) = A131579(n+8). - _Paul Curtz_, Mar 07 2011
%H A017359 Vincenzo Librandi, <a href="/A017359/b017359.txt">Table of n, a(n) for n = 0..10000</a>
%H A017359 <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (8, -28, 56, -70, 56, -28, 8, -1).
%F A017359 From _G. C. Greubel_, Nov 08 2018: (Start)
%F A017359 G.f.: (823543 + 403750329*x + 7200703023*x^2 + 22692415945*x^3 + 17136675405*x^4 + 2902898547*x^5 + 62731021*x^6 + 2187*x^7)/(1-x)^8.
%F A017359 E.g.f.: (823543 +409515130*x +4820249700*x^2 +10796835000*x^3 + 7834050000*x^4 +2237900000*x^5 +259000000*x^6 + 10000000*x^7)*exp(x). (End)
%t A017359 Table[(10*n + 7)^7, {n,0,20}] (* _G. C. Greubel_, Nov 08 2018 *)
%o A017359 (Magma) [(10*n+7)^7: n in [0..20]]; // _Vincenzo Librandi_, Aug 14 2011
%o A017359 (PARI) vector(20, n, n--; (10*n + 7)^7) \\ _G. C. Greubel_, Nov 08 2018
%K A017359 nonn,easy
%O A017359 0,1
%A A017359 _N. J. A. Sloane_