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.

A165121 Consider the base-9 Kaprekar map n->K(n) defined in A165110. Sequence gives least elements of each cycle of length > 1.

Table of values

n a(n)
1 16
2 320
3 2256
4 3712
5 34960
6 183696
7 3496800
8 31596672
9 278474880
10 2066242576
11 2516902752
12 26531651360
13 167365651216
14 203869268832
15 211282856832
16 2145190286000
17 2184410558000
18 16513410921312
19 176898519791120

List of values

[16, 320, 2256, 3712, 34960, 183696, 3496800, 31596672, 278474880, 2066242576, 2516902752, 26531651360, 167365651216, 203869268832, 211282856832, 2145190286000, 2184410558000, 16513410921312, 176898519791120]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.