A195646 Number of ways of folding a 3 X 3 X ... X 3 n-dimensional map.

1, 6, 1368, 85109616

Offset

0,2

Links

Table of n, a(n) for n=0..3.

W. F. Lunnon, A map-folding problem, Math. Comp. 22 (1968), 193-199.

Crossrefs

Cf. A000136, A001417.

Sequence in context: A066037 A279924 A307871 * A265473 A199645 A300025

Adjacent sequences: A195643 A195644 A195645 * A195647 A195648 A195649

Keyword

nonn,more

Author

N. J. A. Sloane, Sep 21 2011

Status

approved