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 A001396 M3623 N1471 #27 Dec 23 2021 23:03:48 %S A001396 1,4,28,188,1428,10708,82948,644788,5067404,40016460,317727164, %T A001396 2532064332,20247784124,162353831796,1304943724900,10510168583516 %N A001396 Number of 2n-step self-avoiding walks on diamond lattice ending at point with x = 0. %D A001396 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A001396 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A001396 J. L. Martin, <a href="http://dx.doi.org/10.1017/S0305004100036240">The exact enumeration of self-avoiding walks on a lattice</a>, Proc. Camb. Phil. Soc., 58 (1962), 92-101. %Y A001396 Cf. A001394, A001395, A001397, A001398, A227715, A227716. %K A001396 nonn,walk,more %O A001396 0,2 %A A001396 _N. J. A. Sloane_ %E A001396 Edited and extended by _Joseph Myers_, Jul 21 2013 %E A001396 a(12)-a(13) from _Sean A. Irvine_, Nov 13 2017 %E A001396 a(14)-a(15) from _Bert Dobbelaere_, Jan 12 2019