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A027835 Number of unlabeled strongly connected n-state 2-input automata. 0
1, 6, 52, 892, 21291, 658885 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

V. A. Liskovets [ Liskovec ], Enumeration of nonisomorphic strongly connected automata. (Russian); Vesti Akad. Nauk. Belarus. SSR, Ser. Phys.-Mat., No. 3, 1971, pp. 26-30, esp. p. 30 (Math. Rev. 46 #5081).

V. A. Liskovets [ Liskovec ], A general enumeration scheme for labeled graphs. (Russian); Dokl. Akad. Nauk. Belarus. SSR, Vol. 21, No. 6 (1977), pp. 496-499 (Math. Rev. 58 #21797).

Zentralblatt 224 #94053.

CROSSREFS

Sequence in context: A097820 A166889 A164894 * A055973 A066357 A185148

Adjacent sequences:  A027832 A027833 A027834 * A027836 A027837 A027838

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.