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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.

A145102 a(0) = a(1) = 1. a(n+1) = floor(n*a(n)/a(n-1)), for n >= 1.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 6
5 12
6 10
7 5
8 3
9 4
10 12
11 30
12 27
13 10
14 4
15 5
16 18
17 57
18 53
19 16
20 5
21 6
22 25
23 91
24 83
25 21
26 6
27 7
28 31
29 124
30 116
31 28
32 7
33 8
34 37
35 157
36 148
37 33
38 8
39 9
40 43
41 191
42 182
43 40
44 9
45 9
46 45
47 230
48 240
49 50
50 10
51 10
52 51
53 265
54 275
55 56
56 11
57 11
58 57
59 300
60 310
61 62
62 12
63 12
64 63
65 336
66 346
67 67
68 12
69 12
70 69
71 402

List of values

[1, 1, 1, 2, 6, 12, 10, 5, 3, 4, 12, 30, 27, 10, 4, 5, 18, 57, 53, 16, 5, 6, 25, 91, 83, 21, 6, 7, 31, 124, 116, 28, 7, 8, 37, 157, 148, 33, 8, 9, 43, 191, 182, 40, 9, 9, 45, 230, 240, 50, 10, 10, 51, 265, 275, 56, 11, 11, 57, 300, 310, 62, 12, 12, 63, 336, 346, 67, 12, 12, 69, 402]

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