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A222427 as a simple table

na(n)
13
213
375
4766
57929
688455
71009168
811742060
9136046418
101597242853
1118702751927
12220911842244
132604575617765
1430883966174713
15365980036374753
164353382994459175
1751789654728027158
18617680862903883768

[3,13,75,766,7929,88455,1009168,11742060,
 136046418,1597242853,18702751927,220911842244,
 2604575617765,30883966174713,365980036374753,
 4353382994459175,51789654728027158,
 617680862903883768]