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 A001596 #27 Sep 08 2022 08:44:29
%S A001596 1,8,177,2530,18785,94932,397585,1647086,7861953,45136576,292475249,
%T A001596 1996813914,13877119009,96951758924,678328486353,4747732369318,
%U A001596 33233199005057,232630924325880,1628414210130481
%N A001596 a(n) = 7^n + n^7.
%H A001596 Vincenzo Librandi, <a href="/A001596/b001596.txt">Table of n, a(n) for n = 0..1000</a>
%H A001596 <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (15,-84,252,-462,546,-420,204,-57,7).
%p A001596 seq(seq(k^n+n^k, k=7..7), n=0..18); # _Zerinvary Lajos_, Jun 29 2007
%t A001596 f[n_]:=7^n+n^7;f[Range[0,40]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 14 2011 *)
%t A001596 LinearRecurrence[{15,-84,252,-462,546,-420,204,-57,7},{1,8,177,2530,18785,94932,397585,1647086,7861953},20] (* _Harvey P. Dale_, Sep 16 2018 *)
%o A001596 (PARI) a(n)=7^n+n^7
%o A001596 (Magma) [7^n+n^7: n in [0..30]]; // _Vincenzo Librandi_, Oct 27 2011
%Y A001596 Cf. A001580, A001585, A001589, A001593, A001594.
%K A001596 nonn,easy
%O A001596 0,2
%A A001596 _N. J. A. Sloane_