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A108430 as a simple table

n a(n)
1 3
2 31
3 311
4 3151
5 32299
6 334335
7 3488239
8 36627487
9 386618387
10 4098713631
11 43611791783
12 465496885231
13 4981942135611
14 53443871159551
15 574500093677535
16 6186886528903231
17 66735614131858723
18 720897596248427295

[3,31,311,3151,32299,334335,3488239,36627487,
 386618387,4098713631,43611791783,465496885231,
 4981942135611,53443871159551,574500093677535,
 6186886528903231,66735614131858723,
 720897596248427295]

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Last modified October 14 00:02 EDT 2019. Contains 327987 sequences. (Running on oeis4.)