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.

A333910 Numbers k such that psi(k) is the sum of 2 squares, where psi is the Dedekind psi function (A001615).

Table of values

n a(n)
1 1
2 3
3 7
4 10
5 17
6 18
7 19
8 20
9 21
10 22
11 27
12 30
13 31
14 36
15 40
16 44
17 45
18 46
19 50
20 51
21 55
22 57
23 58
24 60
25 66
26 67
27 70
28 71
29 72
30 73
31 79
32 80
33 88
34 89
35 92
36 93
37 94
38 97
39 99
40 100
41 103
42 106
43 115
44 116
45 118
46 119
47 120
48 126
49 127
50 132
51 133
52 138
53 140
54 144
55 145
56 150
57 154
58 160
59 162
60 163
61 165

List of values

[1, 3, 7, 10, 17, 18, 19, 20, 21, 22, 27, 30, 31, 36, 40, 44, 45, 46, 50, 51, 55, 57, 58, 60, 66, 67, 70, 71, 72, 73, 79, 80, 88, 89, 92, 93, 94, 97, 99, 100, 103, 106, 115, 116, 118, 119, 120, 126, 127, 132, 133, 138, 140, 144, 145, 150, 154, 160, 162, 163, 165]

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

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