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A054732 Number of inequivalent n-state 2-input 2-output automata with respect to input and output permutations. 7

%I

%S 2,44,2038,176936,20943790,3108818680,553255960308,114776687721990,

%T 27196943499525498,7246997465494260922,2144966703605620242622,

%U 698192439379511764136358,247879443355186031710674326

%N Number of inequivalent n-state 2-input 2-output automata with respect to input and output permutations.

%D F. Harary and E. Palmer, Graphical Enumeration, 1973.

%H M. A. Harrison, <a href="http://dx.doi.org/10.4153/CJM-1965-010-9">A census of finite automata</a>, Canad. J. Math., 17, No. 1, 1965, 100-113.

%K nonn

%O 1,1

%A _Vladeta Jovovic_, Apr 22 2000

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Last modified August 12 05:33 EDT 2020. Contains 336438 sequences. (Running on oeis4.)