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A159603 as a simple table

na(n)
01
11
22
35
416
562
6312
72001
816796
9183416
102634814
1149703026
121240433524
1340975503423
141803618092422
15105967390883387
168362303039735026
17888404336012975536
18127771790716640691664
1924942884185805223709166

[1,1,2,5,16,62,312,2001,16796,183416,2634814,
 49703026,1240433524,40975503423,1803618092422,
 105967390883387,8362303039735026,
 888404336012975536,127771790716640691664,
 24942884185805223709166]