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A195646
Number of ways of folding a 3 X 3 X ... X 3 n-dimensional map.
2
1, 6, 1368, 85109616
OFFSET
0,2
LINKS
W. F. Lunnon, A map-folding problem, Math. Comp. 22 (1968), 193-199.
CROSSREFS
Sequence in context: A066037 A279924 A307871 * A265473 A199645 A300025
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 21 2011
STATUS
approved