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A000838 Number of n-input 2-output switching networks under action of complementing group on the inputs and outputs
(Formerly M3629 N1474)
+0
2
4, 28, 2272, 67170304, 144115192236605440, 1329227995784915891062320757838184448, 226156424291633194186662080095093570363541849729447858357132587076662853632 (list; graph; listen)
OFFSET

1,1

REFERENCES

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

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

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

LINKS

Index entries for sequences related to switching networks

CROSSREFS

Cf. A000133, A000839.

Sequence in context: A120604 A081792 A084594 this_sequence A129290 A042597 A042379

Adjacent sequences: A000835 A000836 A000837 this_sequence A000839 A000840 A000841

KEYWORD

easy,nonn

AUTHOR

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

EXTENSIONS

More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Feb 26 2000

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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