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A146201 Number of n X n arrays of squares of integers summing to 7 with every element equal to at least one neighbor. 1
0, 12, 1640, 23650, 129116, 457330, 1265468, 2979098, 6251260, 12030146, 21635420, 36843178, 59979548, 94022930, 142714876, 210679610, 303552188, 428115298, 592444700, 806063306 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,2
LINKS
CROSSREFS
Sequence in context: A271435 A271436 A034280 * A009120 A078928 A202968
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 14 2009
STATUS
approved

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Last modified March 4 01:40 EST 2024. Contains 370522 sequences. (Running on oeis4.)