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.

A114065 Numbers k such that the digits of phi(k) and sigma(k) are permutations of those of k.

Table of values

n a(n)
1 1
2 3014685
3 21638943
4 170726121
5 207380169
6 215341083
7 233559801
8 234511083
9 321634251
10 1620475083
11 1982243007
12 2019804093
13 2084013063
14 2185499607
15 2410658685
16 2653713819
17 2741018409
18 2859457041
19 3018792645
20 3075268041
21 3148920504
22 3701484126
23 4071408255

List of values

[1, 3014685, 21638943, 170726121, 207380169, 215341083, 233559801, 234511083, 321634251, 1620475083, 1982243007, 2019804093, 2084013063, 2185499607, 2410658685, 2653713819, 2741018409, 2859457041, 3018792645, 3075268041, 3148920504, 3701484126, 4071408255]

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

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