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A159212 Number of n X n arrays of squares of integers with every 3X3 subblock summing to 12 0
1857, 18113, 98081, 384609, 1934237, 7541249, 26058765, 119683865, 465264653, 1694090505, 7898979629 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,1
LINKS
CROSSREFS
Sequence in context: A051355 A064978 A202913 * A120809 A213868 A022062
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 06 2009
STATUS
approved

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Last modified July 14 05:06 EDT 2024. Contains 374291 sequences. (Running on oeis4.)