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A240680 as a simple table

n a(n)
1 7
2 13
3 31
4 43
5 61
6 103
7 109
8 199
9 271
10 367
11 409
12 421
13 523
14 541
15 547
16 787
17 823
18 829
19 883
20 1009
21 1033
22 1117
23 1237
24 1291
25 1669
26 1999
27 2131
28 2161
29 2203
30 2269
31 2437
32 2503
33 2593
34 2671
35 2857
36 3049
37 3253
38 3271
39 3361
40 3559
41 3583
42 3769
43 3823
44 4003
45 4201
46 4339
47 4357

[7,13,31,43,61,103,109,199,271,367,409,421,523,
 541,547,787,823,829,883,1009,1033,1117,1237,1291,
 1669,1999,2131,2161,2203,2269,2437,2503,2593,2671,
 2857,3049,3253,3271,3361,3559,3583,3769,3823,4003,
 4201,4339,4357]

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