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A048631
Xfactorials - like factorials but use carryless GF(2)[ X ] polynomial multiplication.
+0
5
1, 1, 2, 6, 24, 120, 272, 1904, 15232, 124800, 848640, 7507200, 39738368, 433441792, 2589116416, 30419859456, 486717751296, 8128101580800, 132557598294016, 1971862458400768, 30421253686034432, 512675443057623040
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.
AT&T Labs Research
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