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A058876 as a simple table

na(n)
11
21
32
41
59
615
71
828
9198
10316
111
1275
131610
1410710
1516885
161
17186
1810575
19211820
201384335
212174586
221
23441
2461845
253268125
2664144675
27416990763
28654313415
291
301016
31336924
3243832264
332266772550
3444218682312
35286992935964
36450179768312

[1,1,2,1,9,15,1,28,198,316,1,75,1610,10710,16885,
 1,186,10575,211820,1384335,2174586,1,441,61845,
 3268125,64144675,416990763,654313415,1,1016,
 336924,43832264,2266772550,44218682312,
 286992935964,450179768312]