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.

A125178 Triangle read by rows: T(n,0)=B(n) (the Bell numbers, A000110(n)), T(n,k)=0 for k < 0 or k > n, T(n,k) = T(n-1,k) + T(n-1,k-1) for n >= 1, 0 <= k <= n.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 2
5 1
6 5
7 4
8 3
9 1
10 15
11 9
12 7
13 4
14 1
15 52
16 24
17 16
18 11
19 5
20 1
21 203
22 76
23 40
24 27
25 16
26 6
27 1
28 877
29 279
30 116
31 67
32 43
33 22
34 7
35 1
36 4140
37 1156
38 395
39 183
40 110
41 65
42 29
43 8
44 1
45 21147
46 5296
47 1551
48 578
49 293
50 175
51 94
52 37
53 9
54 1
55 115975
56 26443
57 6847
58 2129
59 871
60 468
61 269
62 131
63 46
64 10
65 1

List of values

[1, 1, 1, 2, 2, 1, 5, 4, 3, 1, 15, 9, 7, 4, 1, 52, 24, 16, 11, 5, 1, 203, 76, 40, 27, 16, 6, 1, 877, 279, 116, 67, 43, 22, 7, 1, 4140, 1156, 395, 183, 110, 65, 29, 8, 1, 21147, 5296, 1551, 578, 293, 175, 94, 37, 9, 1, 115975, 26443, 6847, 2129, 871, 468, 269, 131, 46, 10, 1]