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A199985 as a simple table

n a(n)
1 5
2 15
3 51
4 115
5 151
6 511
7 1115
8 1151
9 1511
10 5111
11 11115
12 11151
13 11511
14 15111
15 51111
16 111115
17 111151
18 111511
19 115111
20 151111
21 511111
22 1111115
23 1111151
24 1111511
25 1115111
26 1151111
27 1511111
28 5111111
29 11111115
30 11111151
31 11111511
32 11115111
33 11151111
34 11511111

[5,15,51,115,151,511,1115,1151,1511,5111,11115,
 11151,11511,15111,51111,111115,111151,111511,
 115111,151111,511111,1111115,1111151,1111511,
 1115111,1151111,1511111,5111111,11111115,11111151,
 11111511,11115111,11151111,11511111]

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Last modified November 14 12:40 EST 2019. Contains 329114 sequences. (Running on oeis4.)