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A280529 as a simple table

na(n)
01
11
23
310
45
555
612
7233
817
9981
1059
114014
1281
1316245
14203
1565166
16289
17261421
18787
191047122
201057
214191661
223827
2316771986
247681
2567097341
2613063
27268415344
2829831
291073700020
3058457
314294869361
32113877
3317179690095
34168240
3568719183111
36406128

[1,1,3,10,5,55,12,233,17,981,59,4014,81,16245,203,
 65166,289,261421,787,1047122,1057,4191661,3827,
 16771986,7681,67097341,13063,268415344,29831,
 1073700020,58457,4294869361,113877,17179690095,
 168240,68719183111,406128]