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A232995 a(n) = (n - 3)^2*(n - 4)*2^n*n^(n-5). 1
0, 0, 128, 6912, 301056, 13107200, 604661760, 30105600000, 1625414303744, 95105071448064, 6014219459788800, 409597814515957760, 29930757120000000000, 2338124811342685667328, 194579196865600687702016, 17194638200501483392204800, 1608612930338829120118456320, 158879430213632000000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,3

LINKS

Table of n, a(n) for n=3..20.

Andrei Asinowski, Gill Barequet, Ronnie Barequet, Gunter Rote, Proper n-Cell Polycubes in n-3 Dimensions, J. Int. Seq. 15 (2012) #12.8.4.

CROSSREFS

Cf. A232994.

Sequence in context: A008791 A201239 A013700 * A283281 A181242 A035817

Adjacent sequences:  A232992 A232993 A232994 * A232996 A232997 A232998

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 16 2013

STATUS

approved

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Last modified June 23 21:56 EDT 2021. Contains 345402 sequences. (Running on oeis4.)