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A146936 as a simple table

na(n)
11
21
31
41
51
63
77
814
939
10110
11377
121728
138445
1446261
15295085
162140608
1718281422
18182971434
192102657419
2027813973723
21424019281880
227465054408643
23152329530023565
243599461276657166
2598302190158216996
263100794527661403207

[1,1,1,1,1,3,7,14,39,110,377,1728,8445,46261,
 295085,2140608,18281422,182971434,2102657419,
 27813973723,424019281880,7465054408643,
 152329530023565,3599461276657166,
 98302190158216996,3100794527661403207]