2,2
I. Strazdins, Universal affine classification of Boolean functions, Acta Applic. Math. 46 (1997), 147-167.
Vincenzo Librandi, Table of n, a(n) for n = 2..11
(MAGMA) [(Factorial(2^(n-1)-1))*2^((2^(n-1)-1)-1): n in [2..8]]; // Vincenzo Librandi, Jun 03 2011
A028371(n) = A002866(2^(n-1)-1).
Sequence in context: A173172 A061526 A159422 * A013774 A088020 A172734
Adjacent sequences: A028368 A028369 A028370 * A028372 A028373 A028374
nonn
N. J. A. Sloane (njas(AT)research.att.com).
