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A259328
Ceiling of ((2^n)!)/(2^(n*(n-1))*Product((2^i-1)^2,i=1..n))
2
2, 1, 2, 51480, 2631645209144487019355, 312242081385925594286511113381220856098317029402428309504000000000000
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..6.
C. S. Lorens,
Invertible Boolean functions
, IEEE Trans. Electron. Computers, EC-13 (1964), 529-541.
C. S. Lorens,
Invertible Boolean functions
, IEEE Trans. Electron. Computers, EC-13 (1964), 529-541. [Annotated scan of page 530 only]
CROSSREFS
Sequence in context:
A177438
A367762
A002431
*
A202034
A323881
A062963
Adjacent sequences:
A259325
A259326
A259327
*
A259329
A259330
A259331
KEYWORD
nonn
AUTHOR
N. J. A. Sloane
, Jun 24 2015
STATUS
approved
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Last modified April 24 09:18 EDT 2024. Contains 371935 sequences. (Running on oeis4.)