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A259331
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Ceiling of ((2^n)!)/(4^n*2^(2*n^2)).
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1
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OFFSET
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1,4
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LINKS
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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]
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MAPLE
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f:=n->((2^n)!)/(4^n*2^(2*n^2));
[seq(ceil(f(n)), n=1..6)];
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CROSSREFS
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Cf. A259326, A259327, A259328, A259329, A259330.
Sequence in context: A172834 A271976 A182370 * A209614 A167263 A324685
Adjacent sequences: A259328 A259329 A259330 * A259332 A259333 A259334
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane, Jun 24 2015
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STATUS
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approved
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