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A005274 (6,5)-graphs.
(Formerly M1303)
0
1, 2, 4, 54, 5337932, 3253511965960720 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,2

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=4..9.

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

CROSSREFS

Sequence in context: A018337 A092389 A341733 * A121234 A084574 A087621

Adjacent sequences:  A005271 A005272 A005273 * A005275 A005276 A005277

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 23 13:59 EDT 2021. Contains 345402 sequences. (Running on oeis4.)