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.

A115014 a(n) = Sum_{i=1..n, gcd(6,i)=1} i.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 6
6 6
7 13
8 13
9 13
10 13
11 24
12 24
13 37
14 37
15 37
16 37
17 54
18 54
19 73
20 73
21 73
22 73
23 96
24 96
25 121
26 121
27 121
28 121
29 150
30 150
31 181
32 181
33 181
34 181
35 216
36 216
37 253
38 253
39 253
40 253
41 294
42 294
43 337
44 337
45 337
46 337
47 384
48 384
49 433
50 433
51 433
52 433
53 486
54 486
55 541
56 541
57 541
58 541
59 600
60 600
61 661

List of values

[1, 1, 1, 1, 6, 6, 13, 13, 13, 13, 24, 24, 37, 37, 37, 37, 54, 54, 73, 73, 73, 73, 96, 96, 121, 121, 121, 121, 150, 150, 181, 181, 181, 181, 216, 216, 253, 253, 253, 253, 294, 294, 337, 337, 337, 337, 384, 384, 433, 433, 433, 433, 486, 486, 541, 541, 541, 541, 600, 600, 661]