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A003017 as a simple table

na(n)
01
11
22
33
428
5605
69366
7116767
81310408
915812505
10263924650
116018875291
12148630870092
133548481410773
1482543469312318
152000101425252855
1654347539111582096
171678367049470539697
1856020955060945897298

[1,1,2,3,28,605,9366,116767,1310408,15812505,
 263924650,6018875291,148630870092,3548481410773,
 82543469312318,2000101425252855,54347539111582096,
 1678367049470539697,56020955060945897298]