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A092258 (2^n-1)^(2^n). 2
0, 1, 81, 5764801, 6568408355712890625, 529144398052420314716929933900838757437386767361 (list; graph; refs; listen; history; text; internal format)
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.

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

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Last modified February 21 01:03 EST 2019. Contains 320362 sequences. (Running on oeis4.)