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 A277844 #16 Nov 05 2016 08:42:27 %S A277844 1,81,11328242,29902254119865429,817701868164546859278494745163, %T A277844 285033249600409431428643990739291312182972084132, %U A277844 1892438067444572851650149500498661434054764424790064535313952779756847,339676614862729029614552301296020122485910436927008569295805654935518977116532247635480871741432 %N A277844 Number of finite automata with n states, n input symbols and six output symbols. %H A277844 Scott Burns, Marko Riedel, Markus Scheuer, <a href="http://math.stackexchange.com/questions/1968594/">Number of functions</a>, Math StackExchange. %H A277844 Scott Burns, Marko Riedel, Markus Scheuer, <a href="http://math.stackexchange.com/questions/1993637/">Enumeration of finite automata</a>, Math StackExchange. %H A277844 F. Harary and E. Palmer, <a href="http://dx.doi.org/10.1016/S0019-9958(67)91186-2">Enumeration of finite automata</a>, Information and Control, 10 (1967), 499-508. %H A277844 Marko Riedel, <a href="/A277839/a277839.maple.txt">Maple code for A277839-A277844.</a> %Y A277844 Cf. A277839, A277840, A277841, A277842, A277843. %K A277844 nonn %O A277844 1,2 %A A277844 _Marko Riedel_, Nov 01 2016