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A047660
Number of self-complementary 2-plexes.
2
1, 1, 0, 1, 2, 40, 0, 703760, 131328, 300241541128192, 0, 28170013344558609991874248704, 24595658799308603392, 9502080486519653717758562294813775233459455787008, 0
OFFSET
1,5
LINKS
E. M. Palmer, On the number of n-plexes, Discrete Math., 6 (1973), 377-390.
CROSSREFS
Sequence in context: A378871 A232086 A356683 * A213909 A349717 A349726
KEYWORD
nonn,nice
EXTENSIONS
More terms from Vladeta Jovovic
STATUS
approved