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.

A124221 Triangle read by rows: add A124222(n,k) to A124222(n-1,k).

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 0
6 14
7 2
8 22
9 9
10 1
11 0
12 32
13 25
14 5
15 2
16 44
17 54
18 16
19 12
20 0
21 2
22 0
23 58
24 100
25 38
26 42
27 2
28 13
29 2
30 1
31 74
32 167
33 75
34 110
35 9
36 51
37 15
38 7
39 1
40 0
41 3
42 0
43 92
44 259
45 131
46 240
47 25
48 146
49 63
50 28
51 5
52 5
53 24
54 2
55 1
56 3
57 112
58 380
59 210
60 462
61 54
62 340
63 193
64 80
65 16
66 29
67 111
68 18
69 11
70 25
71 0
72 2
73 0
74 0
75 1
76 4
77 0

List of values

[1, 2, 4, 8, 0, 14, 2, 22, 9, 1, 0, 32, 25, 5, 2, 44, 54, 16, 12, 0, 2, 0, 58, 100, 38, 42, 2, 13, 2, 1, 74, 167, 75, 110, 9, 51, 15, 7, 1, 0, 3, 0, 92, 259, 131, 240, 25, 146, 63, 28, 5, 5, 24, 2, 1, 3, 112, 380, 210, 462, 54, 340, 193, 80, 16, 29, 111, 18, 11, 25, 0, 2, 0, 0, 1, 4, 0]