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A121634 as a simple table

na(n)
11
21
31
42
53
61
78
810
95
101
1142
1244
1325
148
151
16264
17242
18144
1957
2012
211
221920
231594
24962
25429
26117
2717
281
2915840
3012204
317366
323536
331131
34219
3523
361
37146160
38106308
3963766
4032118
4111453
422664
43380
4430
451
461491840
471036944
48616436
49320710
50123742
5132765
525704
53620
5438
551

[1,1,1,2,3,1,8,10,5,1,42,44,25,8,1,264,242,144,57,
 12,1,1920,1594,962,429,117,17,1,15840,12204,7366,
 3536,1131,219,23,1,146160,106308,63766,32118,
 11453,2664,380,30,1,1491840,1036944,616436,320710,
 123742,32765,5704,620,38,1]