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.

A104633 Triangle T(n,k) = k*(k-n-1)*(k-n-2)/2 read by rows, 1<=k<=n.

Table of values

n a(n)
1 1
2 3
3 2
4 6
5 6
6 3
7 10
8 12
9 9
10 4
11 15
12 20
13 18
14 12
15 5
16 21
17 30
18 30
19 24
20 15
21 6
22 28
23 42
24 45
25 40
26 30
27 18
28 7
29 36
30 56
31 63
32 60
33 50
34 36
35 21
36 8
37 45
38 72
39 84
40 84
41 75
42 60
43 42
44 24
45 9
46 55
47 90
48 108
49 112
50 105
51 90
52 70
53 48
54 27
55 10
56 66
57 110
58 135

List of values

[1, 3, 2, 6, 6, 3, 10, 12, 9, 4, 15, 20, 18, 12, 5, 21, 30, 30, 24, 15, 6, 28, 42, 45, 40, 30, 18, 7, 36, 56, 63, 60, 50, 36, 21, 8, 45, 72, 84, 84, 75, 60, 42, 24, 9, 55, 90, 108, 112, 105, 90, 70, 48, 27, 10, 66, 110, 135]