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A157638 as a simple table

na(n)
01
11
21
31
46
51
61
721
821
91
101
1160
12210
1360
141
151
16155
171550
181550
19155
201
211
22378
239765
2427900
259765
26378
271
281
29889
3056007
31413385
32413385
3356007
34889
351
361
372040
38302260
395440680
4014055090
415440680
42302260
432040
441
451
464599
471563660
4866194940

[1,1,1,1,6,1,1,21,21,1,1,60,210,60,1,1,155,1550,
 1550,155,1,1,378,9765,27900,9765,378,1,1,889,
 56007,413385,413385,56007,889,1,1,2040,302260,
 5440680,14055090,5440680,302260,2040,1,1,4599,
 1563660,66194940]