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.

A165080 Consider the base-7 Kaprekar map n->K(n) defined in A165071. Sequence gives least elements of each cycle, including fixed points.

Table of values

n a(n)
1 0
2 144
3 1068
4 9936
5 55500
6 640992
7 3562968
8 31412208
9 220709400
10 227429400
11 228238488
12 1922263344
13 11150046252
14 11432420652
15 75796404672
16 94197649008
17 96503566608
18 419850417612
19 546394287000
20 3939440152944
21 4615731883344

List of values

[0, 144, 1068, 9936, 55500, 640992, 3562968, 31412208, 220709400, 227429400, 228238488, 1922263344, 11150046252, 11432420652, 75796404672, 94197649008, 96503566608, 419850417612, 546394287000, 3939440152944, 4615731883344]

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

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