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.

A126347 Triangle, read by rows, where row n lists coefficients of q in B(n,q) that satisfies: B(n,q) = Sum_{k=0..n-1} C(n-1,k)*B(k,q)*q^k for n>0, with B(0,q) = 1; row sums equal the Bell numbers: B(n,1) = A000110(n).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 1
9 3
10 3
11 4
12 2
13 1
14 1
15 1
16 4
17 6
18 10
19 9
20 7
21 7
22 4
23 2
24 1
25 1
26 1
27 5
28 10
29 20
30 25
31 26
32 29
33 26
34 20
35 14
36 12
37 7
38 4
39 2
40 1
41 1
42 1
43 6
44 15
45 35
46 55
47 71
48 90
49 101
50 100
51 89
52 82
53 68
54 53
55 38
56 26
57 20
58 12
59 7
60 4
61 2
62 1
63 1
64 1
65 7
66 21
67 56
68 105
69 161
70 231
71 302
72 356
73 379
74 392
75 384
76 358
77 314
78 262

List of values

[1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 3, 4, 2, 1, 1, 1, 4, 6, 10, 9, 7, 7, 4, 2, 1, 1, 1, 5, 10, 20, 25, 26, 29, 26, 20, 14, 12, 7, 4, 2, 1, 1, 1, 6, 15, 35, 55, 71, 90, 101, 100, 89, 82, 68, 53, 38, 26, 20, 12, 7, 4, 2, 1, 1, 1, 7, 21, 56, 105, 161, 231, 302, 356, 379, 392, 384, 358, 314, 262]