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.

A063967 Triangle read by rows, T(n,k) = T(n-1,k) + T(n-2,k) + T(n-1,k-1) + T(n-2,k-1) and T(0,0) = 1.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 3
5 1
6 3
7 7
8 5
9 1
10 5
11 15
12 16
13 7
14 1
15 8
16 30
17 43
18 29
19 9
20 1
21 13
22 58
23 104
24 95
25 46
26 11
27 1
28 21
29 109
30 235
31 271
32 179
33 67
34 13
35 1
36 34
37 201
38 506
39 705
40 591
41 303
42 92
43 15
44 1
45 55
46 365
47 1051
48 1717
49 1746
50 1140
51 475
52 121
53 17
54 1
55 89
56 655
57 2123
58 3979
59 4759
60 3780
61 2010
62 703
63 154
64 19
65 1

List of values

[1, 1, 1, 2, 3, 1, 3, 7, 5, 1, 5, 15, 16, 7, 1, 8, 30, 43, 29, 9, 1, 13, 58, 104, 95, 46, 11, 1, 21, 109, 235, 271, 179, 67, 13, 1, 34, 201, 506, 705, 591, 303, 92, 15, 1, 55, 365, 1051, 1717, 1746, 1140, 475, 121, 17, 1, 89, 655, 2123, 3979, 4759, 3780, 2010, 703, 154, 19, 1]