A000863 Number of n-input 3-output switching networks under action of AG(n,2) and complementing group C(2,3) on inputs and outputs. (Formerly M3560 N1442)

4, 19, 632, 19245637, 5158701627878530987, 101362012359740449534162019620212891642247346

Offset

1,1

Comments

Next term has 98 digits. - Sean A. Irvine, Jan 20 2012

References

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.

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

Index entries for sequences related to switching networks

Crossrefs

Sequence in context: A112958 A080991 A000844 * A291947 A023994 A002813

Adjacent sequences: A000860 A000861 A000862 * A000864 A000865 A000866

Keyword

nonn

Author

N. J. A. Sloane

Extensions

More terms from Sean A. Irvine, Jan 19 2012

Status

approved