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.

A135597 Square array read by antidiagonals: row m (m >= 1) satisfies b(0) = b(1) = 1; b(n) = m*b(n-1) + b(n-2).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 2
7 1
8 1
9 3
10 3
11 1
12 1
13 4
14 7
15 5
16 1
17 1
18 5
19 13
20 17
21 8
22 1
23 1
24 6
25 21
26 43
27 41
28 13
29 1
30 1
31 7
32 31
33 89
34 142
35 99
36 21
37 1
38 1
39 8
40 43
41 161
42 377
43 469
44 239
45 34
46 1
47 1
48 9
49 57
50 265
51 836
52 1597
53 1549
54 577
55 55
56 1
57 1
58 10
59 73
60 407
61 1633
62 4341
63 6765
64 5116
65 1393
66 89
67 1
68 1
69 11
70 91
71 593
72 2906

List of values

[1, 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 7, 5, 1, 1, 5, 13, 17, 8, 1, 1, 6, 21, 43, 41, 13, 1, 1, 7, 31, 89, 142, 99, 21, 1, 1, 8, 43, 161, 377, 469, 239, 34, 1, 1, 9, 57, 265, 836, 1597, 1549, 577, 55, 1, 1, 10, 73, 407, 1633, 4341, 6765, 5116, 1393, 89, 1, 1, 11, 91, 593, 2906]