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A264617 as a simple table

na(n)
11
21
31
41
57
61
747
81
9175
10208
111
12470
133369
141
151036
1645043
171
182002
19315213
20327904
211
223522
231472157
248846240
251
265775
275287071
28180501713
291
308965
3115795483
321908769247
331791317504
341
3513321
3641169051
3713068136571
3868640287456
391
4019097
4196558891
4266722214923
431895171760688

[1,1,1,1,7,1,47,1,175,208,1,470,3369,1,1036,45043,
 1,2002,315213,327904,1,3522,1472157,8846240,1,
 5775,5287071,180501713,1,8965,15795483,1908769247,
 1791317504,1,13321,41169051,13068136571,
 68640287456,1,19097,96558891,66722214923,
 1895171760688]