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.

A377809 k*(k+3)/2 appears k times.

Table of values

n a(n)
1 2
2 5
3 5
4 9
5 9
6 9
7 14
8 14
9 14
10 14
11 20
12 20
13 20
14 20
15 20
16 27
17 27
18 27
19 27
20 27
21 27
22 35
23 35
24 35
25 35
26 35
27 35
28 35
29 44
30 44
31 44
32 44
33 44
34 44
35 44
36 44
37 54
38 54
39 54
40 54
41 54
42 54
43 54
44 54
45 54
46 65
47 65
48 65
49 65
50 65
51 65
52 65
53 65
54 65
55 65
56 77
57 77
58 77
59 77
60 77
61 77
62 77
63 77
64 77
65 77
66 77
67 90

List of values

[2, 5, 5, 9, 9, 9, 14, 14, 14, 14, 20, 20, 20, 20, 20, 27, 27, 27, 27, 27, 27, 35, 35, 35, 35, 35, 35, 35, 44, 44, 44, 44, 44, 44, 44, 44, 54, 54, 54, 54, 54, 54, 54, 54, 54, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 90]