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.

A209634 Triangle with (1,4,7,10,13,16...,(3*n-2),...) in every column, shifted down twice.

Table of values

n a(n)
1 1
2 4
3 7
4 1
5 10
6 4
7 13
8 7
9 1
10 16
11 10
12 4
13 19
14 13
15 7
16 1
17 22
18 16
19 10
20 4
21 25
22 19
23 13
24 7
25 1
26 28
27 22
28 16
29 10
30 4
31 31
32 25
33 19
34 13
35 7
36 1
37 34
38 28
39 22
40 16
41 10
42 4
43 37
44 31
45 25
46 19
47 13
48 7
49 1
50 40
51 34
52 28
53 22
54 16
55 10
56 4
57 43
58 37
59 31
60 25
61 19
62 13
63 7
64 1
65 46
66 40
67 34
68 28
69 22
70 16
71 10

List of values

[1, 4, 7, 1, 10, 4, 13, 7, 1, 16, 10, 4, 19, 13, 7, 1, 22, 16, 10, 4, 25, 19, 13, 7, 1, 28, 22, 16, 10, 4, 31, 25, 19, 13, 7, 1, 34, 28, 22, 16, 10, 4, 37, 31, 25, 19, 13, 7, 1, 40, 34, 28, 22, 16, 10, 4, 43, 37, 31, 25, 19, 13, 7, 1, 46, 40, 34, 28, 22, 16, 10]