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A190072
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Number of arrangements of 3 nonzero numbers x(i) in -n..n with the sum of div(x(i),x(i+1)), where div(a,b)=a/b produces the integer quotient implying a nonnegative remainder, equal to zero.
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1
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4, 12, 36, 76, 143, 233, 366, 536, 760, 1028, 1363, 1751, 2221, 2758, 3387, 4096, 4907, 5804, 6819, 7931, 9174, 10525, 12021, 13631, 15401, 17299, 19366, 21572, 23959, 26490, 29220, 32114, 35210, 38476, 41963, 45629, 49527, 53618, 57953, 62489, 67285
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