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 A017312 #18 Oct 16 2023 12:25:27
%S A017312 6561,815730721,78310985281,1406408618241,11688200277601,
%T A017312 62259690411361,248155780267521,806460091894081,2252292232139041,
%U A017312 5595818096650401,12667700813876161,26584441929064321,52389094428262881
%N A017312 a(n) = (10*n + 3)^8.
%H A017312 Vincenzo Librandi, <a href="/A017312/b017312.txt">Table of n, a(n) for n = 0..10000</a>
%H A017312 <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (9, -36, 84, -126, 126, -84, 36, -9, 1).
%F A017312 a(n) = A017305(n)^8 = A001016(A017305(n)). - _Wesley Ivan Hurt_, Jan 23 2014
%p A017312 A017312:=n->(10*n+3)^8; seq(A017312(n), n=0..20); # _Wesley Ivan Hurt_, Jan 23 2014
%t A017312 Table[(10*n + 3)^8, {n, 0, 20}] (* _Wesley Ivan Hurt_, Jan 23 2014 *)
%t A017312 LinearRecurrence[{9,-36,84,-126,126,-84,36,-9,1},{6561,815730721,78310985281,1406408618241,11688200277601,62259690411361,248155780267521,806460091894081,2252292232139041},20] (* _Harvey P. Dale_, Oct 16 2023 *)
%o A017312 (Magma) [(10*n+3)^8: n in [0..20]]; // _Vincenzo Librandi_, Jul 31 2011
%Y A017312 Cf. A001016, A017305.
%K A017312 nonn,easy
%O A017312 0,1
%A A017312 _N. J. A. Sloane_