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A090700 as a simple table

n a(n)
1 2
2 5
3 19
4 31
5 43
6 61
7 103
8 103
9 139
10 151
11 199
12 229
13 283
14 313
15 421
16 421
17 523
18 523
19 643
20 661
21 811
22 811
23 1021
24 1021
25 1231
26 1231
27 1429
28 1429
29 1609
30 1621
31 1873
32 1873
33 2143
34 2239
35 2551
36 2551
37 2791
38 2791
39 3121
40 3121
41 3463
42 3463
43 3853
44 3853
45 4243
46 4261
47 4723

[2,5,19,31,43,61,103,103,139,151,199,229,283,313,
 421,421,523,523,643,661,811,811,1021,1021,1231,
 1231,1429,1429,1609,1621,1873,1873,2143,2239,2551,
 2551,2791,2791,3121,3121,3463,3463,3853,3853,4243,
 4261,4723]

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Last modified March 28 16:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)