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A212799 Row 4 of array in A212796. 1
4, 2304, 367500, 42467328, 4381392020, 428652000000, 40643137651228, 3771854305099776, 344499209234302500 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

G. Kreweras, Complexite et circuits Euleriens dans les sommes tensorielles de graphes, J. Combin. Theory, B 24 (1978), 202-212. See p. 210, Parag. 4.

LINKS

Table of n, a(n) for n=1..9.

CROSSREFS

Cf. A212796.

Sequence in context: A180993 A192889 A062407 * A097476 A047676 A280790

Adjacent sequences:  A212796 A212797 A212798 * A212800 A212801 A212802

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 27 2012

STATUS

approved

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Last modified August 25 10:20 EDT 2019. Contains 326324 sequences. (Running on oeis4.)