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A019757 as a simple table

n a(n)
0 1
1 18
2 217
3 2190
4 19981
5 170898
6 1398097
7 11075670
8 85654261
9 650280378
10 4865931577
11 35994162750
12 263799130141
13 1918854559458
14 13871649322657
15 99770067275430
16 714554190919621
17 5099624595840138
18 36287658424563337
19 257574399980365710
20 1824480913344734701
21 12900603911464394418

[1,18,217,2190,19981,170898,1398097,11075670,
 85654261,650280378,4865931577,35994162750,
 263799130141,1918854559458,13871649322657,
 99770067275430,714554190919621,5099624595840138,
 36287658424563337,257574399980365710,
 1824480913344734701,12900603911464394418]

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Last modified April 30 04:13 EDT 2024. Contains 372118 sequences. (Running on oeis4.)