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A247980 as a simple table

n a(n)
1 2
2 3
3 5
4 7
5 13
6 17
7 19
8 43
9 67
10 83
11 163
12 167
13 313
14 433
15 883
16 887
17 1667
18 5167
19 5477
20 6833
21 8167
22 17317
23 22133
24 59833
25 70583
26 89417
27 141067
28 160583
29 191833
30 298327
31 882433
32 1728583
33 2447437
34 3143087
35 3143167
36 4468333
37 12957083
38 13747687
39 26457133

[2,3,5,7,13,17,19,43,67,83,163,167,313,433,883,
 887,1667,5167,5477,6833,8167,17317,22133,59833,
 70583,89417,141067,160583,191833,298327,882433,
 1728583,2447437,3143087,3143167,4468333,12957083,
 13747687,26457133]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)