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%I M4317 N1809 #22 May 19 2024 12:45:54
%S 6,2862,537157696,37252918396015625,1289303099816839265917858176,
%T 32115447190132359991237336502881651018804,
%U 784637716923335095479473759060307277562325323313332617216,24578381309444114202259488565864018899536000344974197975371115039374528219929
%N Number of equivalence classes of n-valued Post functions of 2 variables under action of semi-direct product of symmetric group S_2 and complementing group D(2,n).
%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H M. A. Harrison and R. G. High, <a href="https://doi.org/10.1016/S0021-9800(68)80008-0">On the cycle index of a product of permutation groups</a>, J. Combin. Theory, 4 (1968), 277-299.
%K nonn
%O 2,1
%A _N. J. A. Sloane_
%E Definition improved and more terms from _Sean A. Irvine_, Oct 01 2015
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