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A219152 as a simple table

na(n)
17
221
3104
4531
52708
613725
769784
8354500
91800573
109147029
1146470551
12236075721
131199269936
146092401321
1530950120371
16157229758186
17798741995975
184057687878111
1920613461578083
20104718433050887
21531979987846229

[7,21,104,531,2708,13725,69784,354500,1800573,
 9147029,46470551,236075721,1199269936,6092401321,
 30950120371,157229758186,798741995975,
 4057687878111,20613461578083,104718433050887,
 531979987846229]