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A131306 as a simple table

n a(n)
1 2
2 11
3 1777
4 23333
5 199999
6 2999999
7 19999999
8 577777777
9 1777777777
10 23333333333
11 311111111111
12 2111111111111
13 17777777777777
14 499999999999999
15 1333333333333333
16 23333333333333333

[2,11,1777,23333,199999,2999999,19999999,
 577777777,1777777777,23333333333,311111111111,
 2111111111111,17777777777777,499999999999999,
 1333333333333333,23333333333333333]

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Last modified July 20 16:15 EDT 2019. Contains 325185 sequences. (Running on oeis4.)