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A281045 as a simple table

na(n)
01
11
23
38
43
556
63
7248
811
91004
1057
113969
1261
1316283
1428
1565485
1615
17262124
1829
191048519
2016
214194263
22184
2316776931
24392
2567107883
266588
27268425413
2831255
291073684188
3018865
314294920293
3251975
3317179741296
3460679
3568719370096
36158935
37274877517880

[1,1,3,8,3,56,3,248,11,1004,57,3969,61,16283,28,
 65485,15,262124,29,1048519,16,4194263,184,
 16776931,392,67107883,6588,268425413,31255,
 1073684188,18865,4294920293,51975,17179741296,
 60679,68719370096,158935,274877517880]