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.

A086211 Triangle related to Bell numbers; T(n,k) read by rows, n>=0, 0<=k<=n: T(n,k) = k*T(n-1,k) + Sum(0<=j, T(n-1,k-1+j)); T(0,0)=1, T(0,k)=0 if k>0.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 3
5 1
6 6
7 9
8 6
9 1
10 22
11 31
12 28
13 10
14 1
15 92
16 123
17 126
18 69
19 15
20 1
21 426
22 549
23 586
24 418
25 145
26 21
27 1
28 2146
29 2695
30 2892
31 2425
32 1165
33 272
34 28
35 1
36 11624
37 14319
38 15262
39 14058
40 8551
41 2826
42 469
43 36
44 1

List of values

[1, 1, 1, 2, 3, 1, 6, 9, 6, 1, 22, 31, 28, 10, 1, 92, 123, 126, 69, 15, 1, 426, 549, 586, 418, 145, 21, 1, 2146, 2695, 2892, 2425, 1165, 272, 28, 1, 11624, 14319, 15262, 14058, 8551, 2826, 469, 36, 1]