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A107842 as a simple table

na(n)
01
12
21
35
45
51
614
720
88
91
1042
1175
1244
1311
141
15132
16275
17208
1877
1914
201
21429
221001
23910
24440
25119
2617
271
281430
293640
303808
312244
32798
33170
3420
351
364862
3713260
3815504
3910659
404655
411309
42230
4323
441
4516796
4648450
4762016
4848279
4924794
508602
512000
52299
5326
541

[1,2,1,5,5,1,14,20,8,1,42,75,44,11,1,132,275,208,
 77,14,1,429,1001,910,440,119,17,1,1430,3640,3808,
 2244,798,170,20,1,4862,13260,15504,10659,4655,
 1309,230,23,1,16796,48450,62016,48279,24794,8602,
 2000,299,26,1]