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A285546 as a simple table

na(n)
01
12
23
312
47
556
615
7242
829
9994
1061
114046
12113
1316270
14251
1565332
16459
17261686
181017
191047750
201849
214192494
224049
2316773934
247387
2567101668
2616155
27268422374
2829625
291073712966
3064703
314294914920
32118679
3317179753576
34258967
3568719267560
36474391

[1,2,3,12,7,56,15,242,29,994,61,4046,113,16270,
 251,65332,459,261686,1017,1047750,1849,4192494,
 4049,16773934,7387,67101668,16155,268422374,29625,
 1073712966,64703,4294914920,118679,17179753576,
 258967,68719267560,474391]