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A001417 Number of ways of folding a 2 X 2 X ... X 2 n-dimensional map.
(Formerly M1901 N0750)
2
1, 2, 8, 96, 4608, 798720, 361267200, 362794844160 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
REFERENCES
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
W. F. Lunnon, Multi-dimensional map-folding, Computer Journal 14 1971 75-80.
CROSSREFS
Sequence in context: A009752 A322736 A137704 * A156926 A361388 A326866
KEYWORD
hard,nonn,nice,more
AUTHOR
EXTENSIONS
a(7) from Sean A. Irvine, Dec 21 2017
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)