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A230045 as a simple table

n a(n)
1 2
2 3
3 5
4 7
5 181
6 191
7 373
8 383
9 727
10 757
11 787
12 797
13 17971
14 19891
15 19991
16 76667
17 77977
18 78887
19 79997
20 1987891
21 1988891
22 1998991
23 3799973
24 3899983
25 3998993
26 7897987
27 7996997
28 9888889
29 9889889
30 9989899
31 199999991
32 768989867
33 779969977
34 779999977
35 798989897

[2,3,5,7,181,191,373,383,727,757,787,797,17971,
 19891,19991,76667,77977,78887,79997,1987891,
 1988891,1998991,3799973,3899983,3998993,7897987,
 7996997,9888889,9889889,9989899,199999991,
 768989867,779969977,779999977,798989897]

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Last modified May 25 03:39 EDT 2022. Contains 354047 sequences. (Running on oeis4.)