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A091324 (2^n)^(2^n)-(2^n-1)^(2^n). 1
1, 3, 175, 11012415, 11878335717996660991, 932357239278482603486754898815444262218545775615, 25020804906535555378545307822902185893828140712948517836661141440629855580651950069203769685588364042197142274707455 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Number of maps from {0,1}^n to itself with at least one root.

REFERENCES

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

LINKS

Table of n, a(n) for n=0..6.

CROSSREFS

Cf. A057156, A092258.

Sequence in context: A053920 A125711 A113270 * A198446 A216967 A217443

Adjacent sequences:  A091321 A091322 A091323 * A091325 A091326 A091327

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Feb 19 2004

STATUS

approved

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Last modified June 19 05:40 EDT 2013. Contains 226390 sequences.