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A005273 (5,4)-graphs.
(Formerly M0918)
4
1, 2, 3, 16, 423, 5337932, 198815685282 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

REFERENCES

R. E. Peile, Some Topics in Combinatorial Theory. Ph. D. Dissertation, Oxford University, 1979.

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=3..9.

R. E. Peile, Letter to N. J. A. Sloane, Feb 1989

CROSSREFS

Sequence in context: A057997 A290590 A263802 * A171990 A103898 A140383

Adjacent sequences:  A005270 A005271 A005272 * A005274 A005275 A005276

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 22 15:49 EST 2019. Contains 320399 sequences. (Running on oeis4.)