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A156500 Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 37. 0
2, 6, 110, 4146, 819560, 482038068, 1640436725312, 24866331300024792 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
LINKS
CROSSREFS
Sequence in context: A216151 A057771 A056164 * A264889 A365669 A231537
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 09 2009
STATUS
approved

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Last modified February 26 22:44 EST 2024. Contains 370354 sequences. (Running on oeis4.)