A165008 - cp's OEIS frontend

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.

n	a(n)
1	0
2	32
3	320
4	26240
5	1240024
6	11160256
7	2297798771761759543384
8	15075857741528904364175224
9	8135830264
10	5931020266096
11	659002251784
12	350220815692997944

[0, 32, 320, 26240, 1240024, 11160256, 2297798771761759543384, 15075857741528904364175224, 8135830264, 5931020266096, 659002251784, 350220815692997944]

cp's OEIS Frontend

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.

Table of values

List of values