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A146200 Number of nXn arrays of squares of integers with every (n-3)X(n-3) subblock summing to 6 and every element equal to at least one neighbor. +0
2
0, 168, 107441, 902774, 3692732, 11295174, 28865676, 65031988, 133191360, 253050012, 452373900, 768956436, 1252803248, 1968533980 (list; graph; listen)
OFFSET

5,2
CROSSREFS

Sequence in context: A075920 A076006 A130215 this_sequence A159394 A008699 A003797

Adjacent sequences: A146197 A146198 A146199 this_sequence A146201 A146202 A146203

KEYWORD

nonn

AUTHOR

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

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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