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.

A133139 Number of generalized Ulam sequences including n as the third or higher term.

Table of values

n a(n)
1 0
2 0
3 1
4 2
5 3
6 5
7 6
8 10
9 9
10 12
11 14
12 17
13 20
14 20
15 20
16 29
17 28
18 31
19 35
20 35
21 37
22 40
23 45
24 51
25 49
26 55
27 55
28 58
29 64
30 61
31 71
32 76
33 74
34 76
35 78
36 87
37 92
38 91
39 99
40 97
41 107
42 100
43 114
44 107
45 112
46 119
47 128
48 132
49 133
50 127
51 142
52 140
53 151
54 146
55 151
56 154
57 170
58 158
59 172
60 164
61 185
62 179
63 184
64 186

List of values

[0, 0, 1, 2, 3, 5, 6, 10, 9, 12, 14, 17, 20, 20, 20, 29, 28, 31, 35, 35, 37, 40, 45, 51, 49, 55, 55, 58, 64, 61, 71, 76, 74, 76, 78, 87, 92, 91, 99, 97, 107, 100, 114, 107, 112, 119, 128, 132, 133, 127, 142, 140, 151, 146, 151, 154, 170, 158, 172, 164, 185, 179, 184, 186]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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