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A115122 as a simple table

na(n)
00
10
21
31
42
51
64
71
87
93
1016
111
1249
131
14129
1517
16415
171
181408
191
204659
21130
2216081
231
2456858
2515
26200171
271367
28716733
291
302590529
311
329393119
3316082
3434319668
35142
36126104312
371
38465076161
39200172
401723097474
411
426408573532
431
4423910271229
452587214
4689493903439

[0,0,1,1,2,1,4,1,7,3,16,1,49,1,129,17,415,1,1408,
 1,4659,130,16081,1,56858,15,200171,1367,716733,1,
 2590529,1,9393119,16082,34319668,142,126104312,1,
 465076161,200172,1723097474,1,6408573532,1,
 23910271229,2587214,89493903439]