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 A292695 #4 Sep 20 2017 19:20:18 %S A292695 1,8,1749,1944225,6439957299,47971886252910,677927299391810160, %T A292695 16243385150174371081830,609634394448842168438414483, %U A292695 33797743985046745897969800271770,2645657421035128682909045799293446355,282144864134810484141733900449168244617439 %N A292695 a(n) = A258223(2n,n). %H A292695 Alois P. Heinz, <a href="/A292695/b292695.txt">Table of n, a(n) for n = 0..100</a> %Y A292695 Cf. A258223. %K A292695 nonn %O A292695 0,2 %A A292695 _Alois P. Heinz_, Sep 20 2017