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A037785 as a simple table

n a(n)
1 3
2 31
3 312
4 3120
5 31203
6 312031
7 3120312
8 31203120
9 312031203
10 3120312031
11 31203120312
12 312031203120
13 3120312031203
14 31203120312031
15 312031203120312
16 3120312031203120

[3,31,312,3120,31203,312031,3120312,31203120,
 312031203,3120312031,31203120312,312031203120,
 3120312031203,31203120312031,312031203120312,
 3120312031203120]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)