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A047660 Number of self-complementary 2-plexes. 2

%I

%S 1,1,0,1,2,40,0,703760,131328,300241541128192,0,

%T 28170013344558609991874248704,24595658799308603392,

%U 9502080486519653717758562294813775233459455787008,0

%N Number of self-complementary 2-plexes.

%H E. M. Palmer, <a href="http://dx.doi.org/10.1016/0012-365X(73)90069-1">On the number of n-plexes</a>, Discrete Math., 6 (1973), 377-390.

%Y Cf. A000171, A051251.

%K nonn,nice

%O 1,5

%A _N. J. A. Sloane_

%E More terms from _Vladeta Jovovic_

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Last modified August 23 13:45 EDT 2019. Contains 326227 sequences. (Running on oeis4.)