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.

A193973 Triangular array: the fission of (p(n,x)) by (q(n,x)), where p(n,x)=x*p(n-1,x)+n+1 with p(0,x)=1, and q(n,x)=x*p(n-1,x)+1 with p(0,x)=1.

Table of values

n a(n)
0 2
1 3
2 5
3 4
4 7
5 9
6 5
7 9
8 12
9 14
10 6
11 11
12 15
13 18
14 20
15 7
16 13
17 18
18 22
19 25
20 27
21 8
22 15
23 21
24 26
25 30
26 33
27 35
28 9
29 17
30 24
31 30
32 35
33 39
34 42
35 44
36 10
37 19
38 27
39 34
40 40
41 45
42 49
43 52
44 54
45 11
46 21
47 30
48 38
49 45
50 51
51 56
52 60
53 63
54 65
55 12
56 23
57 33
58 42
59 50
60 57
61 63
62 68
63 72
64 75
65 77
66 13
67 25
68 36
69 46

List of values

[2, 3, 5, 4, 7, 9, 5, 9, 12, 14, 6, 11, 15, 18, 20, 7, 13, 18, 22, 25, 27, 8, 15, 21, 26, 30, 33, 35, 9, 17, 24, 30, 35, 39, 42, 44, 10, 19, 27, 34, 40, 45, 49, 52, 54, 11, 21, 30, 38, 45, 51, 56, 60, 63, 65, 12, 23, 33, 42, 50, 57, 63, 68, 72, 75, 77, 13, 25, 36, 46]