
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 the range. [Sean A. Irvine, Mar 16 2011]


REFERENCES

M. A. Harrison, The number of classes of invertible Boolean functions, J. ACM 10 (1963), 2528.
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).
