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.

A098023 M={{0, 1, -1, 1}, {-1, 0, 1, -1}, {1, -1, 0, 1}, {-1, 1, -1, 0}}; a(n) = M*a(n-1)-Sum [a(n-)][[i, i]], {i, 1, 4}]*M/n; a[0]:={{0, 1, 1, 2}, {1, 1, 2, 3}, {1, 2, 3, 5}, {2, 3, 5, 8}}.

Table of values

n a(n)
1 34
2 31
3 9
4 8
5 25
6 39
7 22
8 5
9 3
10 22
11 41
12 17
13 20
14 7
15 35
16 18
17 8
18 54
19 98
20 40
21 51
22 16
23 85
24 43
25 79
26 77
27 22
28 21
29 62
30 92
31 54
32 14
33 60
34 97
35 53
36 38
37 61
38 91
39 42
40 33
41 19
42 42
43 105
44 9
45 34
46 39
47 117
48 28
49 46
50 94
51 264
52 14
53 75
54 94
55 275
56 57
57 155
58 227
59 128
60 99
61 140
62 230
63 94
64 80
65 233
66 459
67 309
68 327

List of values

[34, 31, 9, 8, 25, 39, 22, 5, 3, 22, 41, 17, 20, 7, 35, 18, 8, 54, 98, 40, 51, 16, 85, 43, 79, 77, 22, 21, 62, 92, 54, 14, 60, 97, 53, 38, 61, 91, 42, 33, 19, 42, 105, 9, 34, 39, 117, 28, 46, 94, 264, 14, 75, 94, 275, 57, 155, 227, 128, 99, 140, 230, 94, 80, 233, 459, 309, 327]