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.

A015632 Number of ordered triples of integers from [ 1,n ] with no common factors between pairs.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 12
6 14
7 26
8 33
9 46
10 52
11 84
12 91
13 137
14 152
15 174
16 199
17 279
18 295
19 397
20 425
21 475
22 513
23 663
24 692
25 819
26 876
27 986
28 1044
29 1286
30 1315
31 1593
32 1700
33 1838
34 1939
35 2123
36 2186
37 2582
38 2711
39 2905
40 3008
41 3498
42 3564
43 4106
44 4272
45 4476
46 4666
47 5316
48 5433
49 5985

List of values

[1, 2, 4, 6, 12, 14, 26, 33, 46, 52, 84, 91, 137, 152, 174, 199, 279, 295, 397, 425, 475, 513, 663, 692, 819, 876, 986, 1044, 1286, 1315, 1593, 1700, 1838, 1939, 2123, 2186, 2582, 2711, 2905, 3008, 3498, 3564, 4106, 4272, 4476, 4666, 5316, 5433, 5985]