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A006764
Number of fixed properly-4-dimensional polyominoes with n cells.
(Formerly M5451)
1
0, 0, 0, 0, 400, 8640, 129288, 1688424, 20762073, 248384816, 2937307716, 34618858308
OFFSET
1,5
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
W. F. Lunnon, Counting Multidimensional Polyominoes, Computer Journal, Vol. 18 (1975), pp. 366-67.
FORMULA
a(n) = A151830(n) - 4 * A006763(n) - 6 * A006762(n) - 4 for n > 1. - Sean A. Irvine, Jul 28 2017
CROSSREFS
Cf. A000105. A column of A195739.
Sequence in context: A250430 A281808 A192076 * A108034 A187051 A231288
KEYWORD
nonn,more
AUTHOR
STATUS
approved