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A189500
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Number of arrangements of 4 nonzero numbers x(i) in -n..n with the sum of floor(x(i)/x(i+1)) equal to zero
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1
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0, 42, 152, 462, 1088, 2128, 3850, 6474, 10126, 15224, 22180, 30900, 42164, 56514, 73816, 94984, 120700, 150836, 186756, 228696, 276618, 332204, 396444, 467948, 549504, 642000, 744978, 859846, 988550, 1129542, 1286278, 1458874, 1646896
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