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%I M3514 #18 Aug 26 2022 19:55:36
%S 4,16,52,144,420,816,1732,3508,7060,18640
%N Number of 5-colorings of cyclic group of order n.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H R. Haas, <a href="https://doi.org/10.2307/2690938">Three-colorings of finite groups or an algebra of nonequalities</a>, Math. Mag., 63 (1990), 211-225.
%H R. Haas, <a href="/A007687/a007687.pdf">Letter to N. J. A. Sloane, Aug. 1994</a>
%Y Cf. A007687.
%K nonn,more
%O 1,1
%A _N. J. A. Sloane_
%E a(6)-a(10) from _Andrey Zabolotskiy_, Jul 12 2017
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