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A054051 Number of nonisomorphic connected binary n-state automata. 1
1, 9, 119, 2662, 79154, 2962062, 132536919, 6904606698, 410379198542, 27406396140548, 2031843175944876, 165592123280454675, 14715292998356150461, 1416127682894394114138, 146723247630856311651736 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Inverse Euler transform of A054050.

REFERENCES

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

LINKS

Table of n, a(n) for n=1..15.

N. J. A. Sloane, Transforms

M. A. Harrison, A census of finite automata, Canad. J. Math., 17, No. 1, 1965, p. 110.

CROSSREFS

Cf. A054745, A054746.

Sequence in context: A234964 A210046 A130652 * A159660 A061172 A167593

Adjacent sequences:  A054048 A054049 A054050 * A054052 A054053 A054054

KEYWORD

nonn

AUTHOR

Vladeta Jovovic, Apr 29 2000

STATUS

approved

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Last modified January 19 20:15 EST 2019. Contains 319310 sequences. (Running on oeis4.)