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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.

A062090 a(1) = 1, a(n) = smallest odd number that does not divide the product of all previous terms.

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 9
6 11
7 13
8 17
9 19
10 23
11 25
12 29
13 31
14 37
15 41
16 43
17 47
18 49
19 53
20 59
21 61
22 67
23 71
24 73
25 79
26 81
27 83
28 89
29 97
30 101
31 103
32 107
33 109
34 113
35 121
36 127
37 131
38 137
39 139
40 149
41 151
42 157
43 163
44 167
45 169
46 173
47 179
48 181
49 191
50 193
51 197
52 199
53 211
54 223
55 227
56 229
57 233
58 239
59 241

List of values

[1, 3, 5, 7, 9, 11, 13, 17, 19, 23, 25, 29, 31, 37, 41, 43, 47, 49, 53, 59, 61, 67, 71, 73, 79, 81, 83, 89, 97, 101, 103, 107, 109, 113, 121, 127, 131, 137, 139, 149, 151, 157, 163, 167, 169, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241]

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

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