A001152 Number of n-input 3-output switching networks with GL(n,2) acting on the input and S(3) and C(2,3) acting on the output. (Formerly M3668 N1494)

4, 36, 3178, 298908192, 165073828103027338592, 6487168790978377311010208151738379048817328948

Offset

1,1

References

M. A. Harrison, On the number of classes of switching networks, J. Franklin Instit., 276 (1963), 313-327.

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

Table of n, a(n) for n=1..6.

Index entries for sequences related to switching networks

Crossrefs

Sequence in context: A174864 A175493 A179870 * A349848 A218515 A296136

Adjacent sequences: A001149 A001150 A001151 * A001153 A001154 A001155

Keyword

nonn

Author

N. J. A. Sloane

Extensions

More terms from Sean A. Irvine, Mar 08 2012

Status

approved