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A028371
a(n) = (2^(n-1)-1)!*2^((2^(n-1)-1)-1).
2
1, 24, 322560, 21424936845312000, 8829205774994708066835865418197893120000000
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OFFSET
2,2
LINKS
Vincenzo Librandi,
Table of n, a(n) for n = 2..9
I. Strazdins,
Universal affine classification of Boolean functions
, Acta Applic. Math. 46 (1997), 147-167.
FORMULA
a(n) =
A002866
(2^(n-1)-1).
PROG
(Magma) [(Factorial(2^(n-1)-1))*2^((2^(n-1)-1)-1): n in [2..8]]; //
Vincenzo Librandi
, Jun 03 2011
CROSSREFS
Cf.
A002866
.
Sequence in context:
A173172
A061526
A159422
*
A013774
A364206
A364227
Adjacent sequences:
A028368
A028369
A028370
*
A028372
A028373
A028374
KEYWORD
nonn
AUTHOR
N. J. A. Sloane
.
STATUS
approved
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Last modified March 29 08:48 EDT 2024. Contains 371268 sequences. (Running on oeis4.)