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A219566 as a simple table

na(n)
14
250
3398
43018
523412
6182132
71414856
810989254
985361450
10663070022
115150562948
1240008267380
13310774174860
142414015836372
1518751469121032
16145656705297820
171131424726385778
188788623283775402

[4,50,398,3018,23412,182132,1414856,10989254,
 85361450,663070022,5150562948,40008267380,
 310774174860,2414015836372,18751469121032,
 145656705297820,1131424726385778,8788623283775402]