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A199124 as a simple table

n a(n)
1 2
2 13
3 107
4 1009
5 10037
6 100049
7 1000099
8 10000379
9 100000399
10 1000000787
11 10000000799
12 100000001989
13 1000000001999
14 10000000003999
15 100000000006997
16 1000000000017899
17 10000000000018999
18 100000000000038989
19 1000000000000067999
20 10000000000000079899
21 100000000000000079999

[2,13,107,1009,10037,100049,1000099,10000379,
 100000399,1000000787,10000000799,100000001989,
 1000000001999,10000000003999,100000000006997,
 1000000000017899,10000000000018999,
 100000000000038989,1000000000000067999,
 10000000000000079899,100000000000000079999]

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Last modified April 26 12:36 EDT 2024. Contains 371997 sequences. (Running on oeis4.)