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A257864 as a simple table

n a(n)
1 11
2 13
3 21
4 47
5 59
6 77
7 109
8 129
9 155
10 163
11 245
12 337
13 511
14 1417
15 3013
16 3757
17 4989
18 8977
19 12479
20 12869 

[11,13,21,47,59,77,109,129,155,163,245,337,511,
 1417,3013,3757,4989,8977,12479,12869]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)