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A236409 Size of complete unitary aperiodic semigroup with n states. 1


%S 3,10,45,270,1737,13280,121500,1231200,12994020,151817274,2041564500,

%T 29351808000,448218360000,7027147872000,118449530725500,

%U 2207253791691000,43402342378752000,889018706142000000,19030271359352400000

%N Size of complete unitary aperiodic semigroup with n states.

%D J. Brzozowski, M. Szykuła. Large Aperiodic Semigroups. In Implementation and Application of Automata, volume 8587 of LNCS, pages 124-135, 2014

%H Marek Szykuła, <a href="/A236409/b236409.txt">Table of n, a(n) for n = 2..1000</a>

%H J. Brzozowski, M. Szykuła, <a href="http://arxiv.org/abs/1401.0157">Large Aperiodic Semigroups</a>, arXiv preprint arXiv:1401.0157, 2013

%K nonn

%O 2,1

%A _N. J. A. Sloane_, Jan 31 2014

%E More terms, corrected and extended by _Marek Szykula_, Nov 03 2014

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Last modified June 22 20:35 EDT 2021. Contains 345389 sequences. (Running on oeis4.)