A028366 a(n) = (2^n - 1)!.

1, 1, 6, 5040, 1307674368000, 8222838654177922817725562880000000, 1982608315404440064116146708361898137544773690227268628106279599612729753600000000000000

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Links

• I. Strazdins, Universal affine classification of Boolean functions, Acta Applic. Math. 46 (1997), 147-167.

Crossrefs

Cf. A000142, A000225.

Programs

Mathematica

(2^Range[0, 6] - 1)! (* Alonso del Arte, Dec 24 2016 *)

PARI

for(n=0, 10, print1((2^n -1)!, ", ")) \\ G. C. Greubel, Dec 25 2016