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A156517 Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 58. 0
2, 6, 198, 20472, 11458140, 15139474872, 64914837681442, 1549731064209250952 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
LINKS
CROSSREFS
Sequence in context: A158096 A345726 A302344 * A333944 A091439 A285102
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 09 2009
STATUS
approved

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Last modified July 21 09:38 EDT 2024. Contains 374472 sequences. (Running on oeis4.)