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Search: id:A146201
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A146201 Number of nXn arrays of squares of integers summing to 7 with every element equal to at least one neighbor. +0
2
0, 12, 1640, 23650, 129116, 457330, 1265468, 2979098, 6251260, 12030146, 21635420, 36843178, 59979548, 94022930, 142714876, 210679610, 303552188, 428115298, 592444700, 806063306 (list; graph; listen)
OFFSET

2,2
CROSSREFS

Sequence in context: A159383 A015011 A034280 this_sequence A009120 A078928 A013717

Adjacent sequences: A146198 A146199 A146200 this_sequence A146202 A146203 A146204

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Apr 14 2009

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

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