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A036939 as a simple table

n a(n)
1 2
2 29
3 229
4 2999
5 22229
6 0
7 2222929
8 22229299
9 222229229
10 2222229299
11 22222229299
12 0
13 2222222229229
14 22222222222229
15 222222222229229
16 2222222222229299
17 22222222222922299
18 0
19 2222222222222292929

[2,29,229,2999,22229,0,2222929,22229299,222229229,
 2222229299,22222229299,0,2222222229229,
 22222222222229,222222222229229,2222222222229299,
 22222222222922299,0,2222222222222292929]

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)