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.

A253012 a(n) = ceiling( (n+1) * (n+2) / 12).

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 3
5 4
6 5
7 6
8 8
9 10
10 11
11 13
12 16
13 18
14 20
15 23
16 26
17 29
18 32
19 35
20 39
21 43
22 46
23 50
24 55
25 59
26 63
27 68
28 73
29 78
30 83
31 88
32 94
33 100
34 105
35 111
36 118
37 124
38 130
39 137
40 144
41 151
42 158
43 165
44 173
45 181
46 188
47 196
48 205
49 213
50 221
51 230
52 239
53 248
54 257
55 266
56 276
57 286
58 295
59 305

List of values

[1, 1, 1, 2, 3, 4, 5, 6, 8, 10, 11, 13, 16, 18, 20, 23, 26, 29, 32, 35, 39, 43, 46, 50, 55, 59, 63, 68, 73, 78, 83, 88, 94, 100, 105, 111, 118, 124, 130, 137, 144, 151, 158, 165, 173, 181, 188, 196, 205, 213, 221, 230, 239, 248, 257, 266, 276, 286, 295, 305]