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.

A145397 Numbers not of the form m*(m+1)*(m+2)/6, the non-tetrahedral numbers.

Table of values

n a(n)
1 2
2 3
3 5
4 6
5 7
6 8
7 9
8 11
9 12
10 13
11 14
12 15
13 16
14 17
15 18
16 19
17 21
18 22
19 23
20 24
21 25
22 26
23 27
24 28
25 29
26 30
27 31
28 32
29 33
30 34
31 36
32 37
33 38
34 39
35 40
36 41
37 42
38 43
39 44
40 45
41 46
42 47
43 48
44 49
45 50
46 51
47 52
48 53
49 54
50 55
51 57
52 58
53 59
54 60
55 61
56 62
57 63
58 64
59 65
60 66
61 67
62 68
63 69
64 70
65 71
66 72
67 73
68 74
69 75
70 76
71 77
72 78

List of values

[2, 3, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78]