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.

A078385 Euler's totient of numbers which can be written as sum of a positive square and a positive cube.

Table of values

n a(n)
1 1
2 4
3 6
4 4
5 4
6 16
7 8
8 12
9 12
10 30
11 20
12 12
13 36
14 42
15 20
16 20
17 24
18 36
19 36
20 48
21 32
22 24
23 72
24 36
25 32
26 40
27 88
28 72
29 40
30 100
31 36
32 112
33 60
34 36
35 126
36 64
37 84
38 66
39 92
40 112
41 72
42 40
43 72
44 132
45 80
46 64
47 108
48 56
49 116
50 144
51 108
52 84
53 196
54 64
55 102
56 96
57 180
58 80
59 222
60 120
61 112
62 112
63 232
64 240
65 80

List of values

[1, 4, 6, 4, 4, 16, 8, 12, 12, 30, 20, 12, 36, 42, 20, 20, 24, 36, 36, 48, 32, 24, 72, 36, 32, 40, 88, 72, 40, 100, 36, 112, 60, 36, 126, 64, 84, 66, 92, 112, 72, 40, 72, 132, 80, 64, 108, 56, 116, 144, 108, 84, 196, 64, 102, 96, 180, 80, 222, 120, 112, 112, 232, 240, 80]

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

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