login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A109580 as a simple table

n a(n)
1 3
2 3
3 7
4 7
5 11
6 11
7 11
8 11
9 13
10 13
11 17
12 17
13 17
14 17
15 23
16 23
17 29
18 29
19 29
20 29
21 61
22 61
23 71
24 71
25 71
26 71
27 83
28 83
29 83
30 83
31 83
32 83
33 107
34 107
35 107
36 107
37 137
38 137
39 137
40 137
41 137
42 137
43 137
44 137
45 149
46 149
47 193
48 193
49 227
50 227
51 227
52 227
53 227
54 227
55 241
56 241
57 241
58 241
59 281
60 281
61 307

[3,3,7,7,11,11,11,11,13,13,17,17,17,17,23,23,29,
 29,29,29,61,61,71,71,71,71,83,83,83,83,83,83,107,
 107,107,107,137,137,137,137,137,137,137,137,149,
 149,193,193,227,227,227,227,227,227,241,241,241,
 241,281,281,307]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 22 03:20 EDT 2021. Contains 347605 sequences. (Running on oeis4.)