A165128 Smallest member of cycle corresponding to n-th term of A165127.
0, 16, 320, 2256, 3712, 34960, 41520, 183696, 3496800, 31596672, 31531872, 278474880, 326952560, 2066242576, 2516902752, 2598744000, 26531651360, 23087388720, 167365651216, 203869268832, 211282856832, 2184410558000
Offset: 1
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