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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 (list; graph; refs; listen; history; text; internal format)
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: A228005 A177438 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 August 17 12:30 EDT 2022. Contains 356189 sequences. (Running on oeis4.)