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A221763 as a simple table

na(n)
11
24
316
479
5319
61576
76364
831441
9126961
10627244
112532856
1212513439
1350530159
14249641536
151008070324
164980317281
1720110876321
1899356704084
19401209456096
201982153764399
218004078245599
2239543718583896
23159680355455884
24788892217913521

[1,4,16,79,319,1576,6364,31441,126961,627244,
 2532856,12513439,50530159,249641536,1008070324,
 4980317281,20110876321,99356704084,401209456096,
 1982153764399,8004078245599,39543718583896,
 159680355455884,788892217913521]