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A068995 as a simple table

n a(n)
1 1
2 3
3 11
4 35
5 111
6 351
7 1111
8 3513
9 11111
10 35136
11 111111
12 351364
13 1111111
14 3513641
15 11111111
16 35136418
17 111111111
18 351364184
19 1111111111
20 3513641844
21 11111111111
22 35136418446
23 111111111111
24 351364184463
25 1111111111111

[1,3,11,35,111,351,1111,3513,11111,35136,111111,
 351364,1111111,3513641,11111111,35136418,
 111111111,351364184,1111111111,3513641844,
 11111111111,35136418446,111111111111,351364184463,
 1111111111111]

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Last modified April 23 05:59 EDT 2024. Contains 371906 sequences. (Running on oeis4.)