A205017 Least k such that n divides the k-th difference between distinct oblong numbers.
1, 1, 3, 1, 2, 3, 5, 6, 4, 2, 14, 8, 20, 5, 13, 28, 35, 4, 44, 11, 26, 14, 65, 8, 17, 20, 16, 7, 104, 13, 119, 120, 23, 35, 22, 12, 170, 44, 31, 11, 209, 26, 230, 18, 40, 65, 275, 34, 39, 17, 50, 25, 350, 16, 74, 49, 61, 104, 434, 24
Offset: 1
Keywords
Programs
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Mathematica
(See the program at A205018.)
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