A165008 Consider the base-3 Kaprekar map x->K(x) described in A164993. Sequence gives the smallest number that belongs to a cycle of length n under repeated iteration of this map, or -1 if there is no cycle of length n.
0, 32, 320, 26240, 1240024, 11160256, 2297798771761759543384, 15075857741528904364175224, 8135830264, 5931020266096, 659002251784, 350220815692997944
Offset: 1
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