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%I M4316 N1808 #14 Feb 01 2022 01:31:20
%S 6,1230,134355076,5960467529298425,143255899980867527046714276,
%T 2621669158378151850086910541198116201940,
%U 49039857307708443467467125153076407586398190249948742656
%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 C(2,n).
%D M. A. Harrison and R. G. High, On the cycle index of a product of permutation groups, J. Combin. Theory, 4 (1968), 277-299.
%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).
%D I. Strazdins, On the number of types of l-adic functions (in Russian), Proc. Riga Polytech. Inst. 10, No. 1 (1963), 167-186.
%Y Cf. A000616, A001323.
%K nonn
%O 2,1
%A _N. J. A. Sloane_
%E More terms from _Vladeta Jovovic_, Aug 09 2000
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