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A281973 as a simple table

na(n)
01
13
29
333
493
5242
6568
71237
82532
94905
109071
1116113
1227654
1345997
1474388
15117408
16181271
17274163
18407066
19594568
20855087
211211979
221695785
232344564
243204123
254332497
265802690
277699864
2810126446
2913212343
3017109772
3121991217
3228071644
3335611707
3444895662

[1,3,9,33,93,242,568,1237,2532,4905,9071,16113,
 27654,45997,74388,117408,181271,274163,407066,
 594568,855087,1211979,1695785,2344564,3204123,
 4332497,5802690,7699864,10126446,13212343,
 17109772,21991217,28071644,35611707,44895662]