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A337795 Number of graceful labelings of the n-gear graph. 0
408, 5728, 135620, 5562192, 296105684, 22256243232 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..8.

Eric Weisstein's World of Mathematics, Gear Graph

Eric Weisstein's World of Mathematics, Graceful Labeling

CROSSREFS

Sequence in context: A157263 A234702 A234697 * A183717 A285767 A282479

Adjacent sequences:  A337792 A337793 A337794 * A337796 A337797 A337798

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Sep 22 2020

EXTENSIONS

a(6)-a(7) from Bert Dobbelaere, Sep 27 2020

a(8) from Eric W. Weisstein, Oct 14 2020 (using code from Bert Dobbelaere)

STATUS

approved

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Last modified July 1 22:23 EDT 2022. Contains 354984 sequences. (Running on oeis4.)