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A126181 as a simple table

na(n)
01
12
21
35
44
51
614
715
86
91
1042
1156
1230
138
141
15132
16210
17140
1850
1910
201
21429
22792
23630
24280
2575
2612
271
281430
293003
302772
311470
32490
33105
3414
351
364862
3711440
3812012
397392
402940
41784
42140
4316
441
4516796
4643758
4751480
4836036
4916632
505292
511176
52180
5318
541
5558786

[1,2,1,5,4,1,14,15,6,1,42,56,30,8,1,132,210,140,
 50,10,1,429,792,630,280,75,12,1,1430,3003,2772,
 1470,490,105,14,1,4862,11440,12012,7392,2940,784,
 140,16,1,16796,43758,51480,36036,16632,5292,1176,
 180,18,1,58786]