A000848 Number of n-input 3-output switching networks under action of GL(n,2) on the inputs and complementing group C(3,2) on the outputs. (Formerly M4572 N1948)

8, 120, 16880, 1791651440, 990442962518469863888, 38923012745870263852909632697729215009690731472

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

Cf. A000847.

Sequence in context: A173774 A034669 A375419 * A214426 A281833 A299077

Adjacent sequences: A000845 A000846 A000847 * A000849 A000850 A000851

Keyword

nonn

Author

N. J. A. Sloane

Extensions

More terms from Vladeta Jovovic, Feb 26 2000

Status

approved