cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A165106 Consider the base-8 Kaprekar map x->K(x) described in A165090. 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

n a(n)
1 0
2 17892
3 1589
4 21483
5 1022
6 7034104602
7 1445787

List of values

[0, 17892, 1589, 21483, 1022, 7034104602, 1445787]