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A076950
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Smallest k such that nk-1 is a cube.
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0
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1, 1, 3, 7, 13, 21, 4, 43, 1, 73, 91, 111, 5, 2, 183211, 241, 7, 27, 343, 6, 421, 463, 507, 553, 189, 19, 1, 757, 813, 7, 931, 993, 1057, 196, 37, 36, 518, 126, 1483, 1561, 3, 8, 1807, 61, 1981, 2071, 2163, 140, 2353, 2451, 234, 2653, 91, 2863, 532, 9, 3193, 3307
(list; graph; refs; listen; history; internal format)
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