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A216552 as a simple table

n a(n)
1 4
2 7
3 17
4 23
5 47
6 137
7 359
8 431
9 433
10 449
11 569
12 9311
13 14431
14 25561
15 35999
16 37511
17 50833
18 81839
19 104911
20 590041
21 593689
22 604711
23 1049897
24 1285607
25 1636007
26 1968721 

[4,7,17,23,47,137,359,431,433,449,569,9311,14431,
 25561,35999,37511,50833,81839,104911,590041,
 593689,604711,1049897,1285607,1636007,1968721]

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Last modified April 24 17:51 EDT 2024. Contains 371962 sequences. (Running on oeis4.)