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A142885 as a simple table

n a(n)
1 2
2 3
3 5
4 7
5 17
6 19
7 41
8 43
9 89
10 181
11 16253
12 341347
13 682697
14 682699
15 23211821
16 1468054608334661
17 1029706322806826946897683
18 1497696634290068254884323345209574043499520759403786997 

[2,3,5,7,17,19,41,43,89,181,16253,341347,682697,
 682699,23211821,1468054608334661,
 1029706322806826946897683,
 14976966342900682548843233452095740434995207594037\
 86997]

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Last modified June 8 22:25 EDT 2024. Contains 373227 sequences. (Running on oeis4.)