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 A277843 #16 Jul 23 2025 15:40:55 %S A277843 1,81,9875766,9508729532667775,51400728418762283743166947873, %T A277843 2412787002750586428934439397030434799264061139, %U A277843 1497241493787657622590696899117249253525915361372369634716838093562,17442838191172723332310678848004599133452884005515399679140805741625547114446168989072880538 %N A277843 Number of finite automata with n states, n input symbols and five output symbols. %H A277843 Scott Burns, Marko Riedel, Markus Scheuer, <a href="http://math.stackexchange.com/questions/1968594/">Number of functions</a>, Math StackExchange. %H A277843 Scott Burns, Marko Riedel, Markus Scheuer, <a href="http://math.stackexchange.com/questions/1993637/">Enumeration of finite automata</a>, Math StackExchange. %H A277843 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 A277843 Marko Riedel, <a href="/A277839/a277839.maple.txt">Maple code for A277839-A277844.</a> %Y A277843 Cf. A277839, A277840, A277841, A277842, A277844. %K A277843 nonn %O A277843 1,2 %A A277843 _Marko Riedel_, Nov 01 2016