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A127055 as a simple table

na(n)
01
12
24
39
425
589
6403
72246
814887
9114239
10994909
119687123
12104223700
131227484193
1415703071262
15216798771109
163212441188268
1750845473960657
18856063393693256
1915276025334127835
20287977916632275512

[1,2,4,9,25,89,403,2246,14887,114239,994909,
 9687123,104223700,1227484193,15703071262,
 216798771109,3212441188268,50845473960657,
 856063393693256,15276025334127835,
 287977916632275512]