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A146385 as a simple table

na(n)
11
21
31
41
51
62
73
86
911
1018
1147
12140
13456
141541
154859
1619189
1788716
18477610
192733493
2016377324
21107101430
22821473645
237043526337
2468487711150
25704897480220
268110505465029
27102402264000312
281483223734585349
2923560655031075409

[1,1,1,1,1,2,3,6,11,18,47,140,456,1541,4859,19189,
 88716,477610,2733493,16377324,107101430,821473645,
 7043526337,68487711150,704897480220,8110505465029,
 102402264000312,1483223734585349,
 23560655031075409]