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A197500 as a simple table

n a(n)
1 1
2 19
3 162
4 967
5 7845
6 58434
7 462825
8 3560859
9 27478512
10 213540131
11 1655543599
12 12828732416
13 99455874997
14 771029045491
15 5977169558845
16 46336520563805
17 359215034469100
18 2784731837712288
19 21587977565996803
20 167356072621226437

[1,19,162,967,7845,58434,462825,3560859,27478512,
 213540131,1655543599,12828732416,99455874997,
 771029045491,5977169558845,46336520563805,
 359215034469100,2784731837712288,
 21587977565996803,167356072621226437]

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Last modified May 23 07:08 EDT 2019. Contains 323508 sequences. (Running on oeis4.)