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A154980 as a simple table

na(n)
01
11
21
31
46
51
61
715
815
91
101
1132
12126
1332
141
151
1665
17638
18638
1965
201
211
22130
232751
249340
252751
26130
271
281
29259
3011201
3193755
3293755
3311201
34259
351
361
37516
3844740
39809212
402578550
41809212
4244740
43516
441
451
461029
47177864
486588864
4951390322
5051390322
516588864
52177864
531029
541

[1,1,1,1,6,1,1,15,15,1,1,32,126,32,1,1,65,638,638,
 65,1,1,130,2751,9340,2751,130,1,1,259,11201,93755,
 93755,11201,259,1,1,516,44740,809212,2578550,
 809212,44740,516,1,1,1029,177864,6588864,51390322,
 51390322,6588864,177864,1029,1]