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A159412 Number of n X n arrays of squares of integers with every (n-1) X (n-1) subblock summing to 23. 1
32, 138080, 345728160, 894351203904, 1748499502214400, 2301794162587632420, 1876573771106494189800, 894576877960295025634240, 244626955979352425876640600, 39350274991603091888986074300 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,1
LINKS
CROSSREFS
Sequence in context: A034245 A230566 A017093 * A201987 A217272 A017189
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 11 2009
STATUS
approved

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Last modified April 26 20:34 EDT 2024. Contains 372004 sequences. (Running on oeis4.)