A091324 a(n) = (2^n)^(2^n)-(2^n-1)^(2^n).

1, 3, 175, 11012415, 11878335717996660991, 932357239278482603486754898815444262218545775615, 25020804906535555378545307822902185893828140712948517836661141440629855580651950069203769685588364042197142274707455

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: A125711 A268949 A113270 * A198446 A216967 A217443

Adjacent sequences: A091321 A091322 A091323 * A091325 A091326 A091327

Keyword

nonn

Author

N. J. A. Sloane, Feb 19 2004

Status

approved