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A270746 as a simple table

na(n)
11
22
31
42
52
62
72
81
92
101
1115
12107
134536
149767531
15119608113171152
1627706455600364135685442345886
17683882728856994887705617234665700899371621018916716222985

[1,2,1,2,2,2,2,1,2,1,15,107,4536,9767531,
 119608113171152,27706455600364135685442345886,
 68388272885699488770561723466570089937162101891671\
 6222985]