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A105615 as a simple table

na(n)
01
12
21
310
44
51
674
726
86
91
10706
11226
1250
138
141
158162
162426
17522
1882
1910
201
21110410
2230826
236498
241010
25122
2612
271
281708394
29451586
3093666
3114458
321738
33170
3414
351
3629752066
377489426
381532970
39235466
4028226
412754
42226
4316
441
45576037442

[1,2,1,10,4,1,74,26,6,1,706,226,50,8,1,8162,2426,
 522,82,10,1,110410,30826,6498,1010,122,12,1,
 1708394,451586,93666,14458,1738,170,14,1,29752066,
 7489426,1532970,235466,28226,2754,226,16,1,
 576037442]