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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
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OFFSET
2,1
LINKS
Table of n, a(n) for n=2..9.
CROSSREFS
Sequence in context:
A216151
A057771
A056164
*
A264889
A365669
A374816
Adjacent sequences:
A156497
A156498
A156499
*
A156501
A156502
A156503
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 09 2009
STATUS
approved
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Last modified July 27 03:18 EDT 2024. Contains 374636 sequences. (Running on oeis4.)