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A255262 Number of 2-colorings of a 5 X n rectangle such that no nontrivial subsquare has monochromatic corners. 1
1, 32, 634, 8352, 85138, 781712, 6965108, 63676276, 573884026, 5345916472, 49611640680, 461953566404, 4330354287396, 40272872295148, 374708736274324, 3480925090005388, 32298776524667360, 300205447716571716, 2790072113514722888, 25940651276104559604, 241231567695925299556 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..20.

CROSSREFS

Column k=5 of A255256.

Sequence in context: A283279 A004337 A292880 * A181240 A140802 A028204

Adjacent sequences:  A255259 A255260 A255261 * A255263 A255264 A255265

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Feb 19 2015

STATUS

approved

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Last modified June 4 18:19 EDT 2020. Contains 334828 sequences. (Running on oeis4.)