A092258 (2^n-1)^(2^n).

0, 1, 81, 5764801, 6568408355712890625, 529144398052420314716929933900838757437386767361

Offset

0,3

Comments

Number of maps from {0,1}^n to itself with no roots.

References

F. Robert, Discrete Iterations, Springer-Verlag, 1986, p. 167.

Links

Table of n, a(n) for n=0..5.

Mathematica

(#-1)^#&/@(2^Range[0, 5]) (* Harvey P. Dale, Feb 18 2024 *)

Crossrefs

Cf. A057156, A091324.

Sequence in context: A319979 A293149 A013851 * A277842 A277843 A277844

Adjacent sequences: A092255 A092256 A092257 * A092259 A092260 A092261

Keyword

nonn

Author

N. J. A. Sloane, Feb 19 2004

Status

approved