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A054053 Number of nonisomorphic connected n-state automata with binary inputs and outputs. 1
4, 126, 7336, 665120, 80038860, 11992785628, 2148752458832, 448000621008112, 106551292402319492, 28471977293653977714, 8445425847422222518488, 2753705028193531309816184, 978990839708922602845440908 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Inverse Euler transform of A054052.

REFERENCES

F. Harary and E. Palmer, Graphical Enumeration, 1973.

LINKS

Table of n, a(n) for n=1..13.

M. A. Harrison, A census of finite automata, Canad. J. Math., 17, No. 1, 1965, p. 112.

N. J. A. Sloane, Transforms

CROSSREFS

Cf. A000282, A054742.

Sequence in context: A124260 A253099 A178842 * A070781 A152421 A270959

Adjacent sequences:  A054050 A054051 A054052 * A054054 A054055 A054056

KEYWORD

nonn

AUTHOR

Vladeta Jovovic, Apr 29 2000

STATUS

approved

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Last modified January 20 03:32 EST 2019. Contains 319323 sequences. (Running on oeis4.)