login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A000725 Invertible Boolean functions of n variables.
(Formerly M2181 N0873)
0
1, 2, 154, 2270394624, 571030462095970441404171032784, 3824475917061034074298122508414174932784734191025271504479165442510090608605767680 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Equivalence classes of invertible maps from {0,1}^n to {0,1}^n, under action of permutation of variables on the domain and permutation and complementation of on the range. [Sean A. Irvine, 16 Mar 2011]

REFERENCES

M. A. Harrison, The number of classes of invertible Boolean functions, J. ACM 10 (1963), 25-28.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Index entries for sequences related to Boolean functions

CROSSREFS

Sequence in context: A012605 A012602 A157087 * A151614 A103042 A142006

Adjacent sequences:  A000722 A000723 A000724 * A000726 A000727 A000728

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Sean A. Irvine (sairvin(AT)xtra.co.nz), Mar 15 2011

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 16:45 EST 2012. Contains 205938 sequences.