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A159406
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Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 20
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1
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46, 91930, 140711904, 225806690703, 250593181727052, 179001707241146535, 75883146328596287296, 18277998911418077944389, 2521047787492275773799084, 210383258780959085774161729, 11422723249364268387819064596
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OFFSET
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3,1
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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