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A159406
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Number of nXn 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
(list; graph; refs; listen; history; internal format)
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