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A256046 Main diagonal of A256045: order of all-2s configuration on the n X n sandpile grid graph. 2
1, 8, 3, 52, 29, 272, 901, 73124, 89893 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..10.

Laura Florescu, Daniela Morar, David Perkinson, Nicholas Salter, Tianyuan Xu, Sandpiles and Dominos, Electronic Journal of Combinatorics, Volume 22(1), 2015.

CROSSREFS

Cf. A256043, A256045, A256047.

Sequence in context: A302214 A049074 A286034 * A197245 A302462 A303244

Adjacent sequences:  A256043 A256044 A256045 * A256047 A256048 A256049

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Mar 15 2015

STATUS

approved

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Last modified October 16 06:14 EDT 2021. Contains 348040 sequences. (Running on oeis4.)