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A156985 as a simple table

na(n)
01
11
20
31
41
54
614
74
81
91
1020
11175
12328
13175
1420
151
161
1772
181708
199784
2017190
219784
221708
2372
241
251
26232
2714189
28199616
29884498
301431728
31884498
32199616
3314189
34232
351
361
37716
38108250
393353948
4031986447
41115907544
42176287788
43115907544
4431986447
453353948
46108250
47716
481

[1,1,0,1,1,4,14,4,1,1,20,175,328,175,20,1,1,72,
 1708,9784,17190,9784,1708,72,1,1,232,14189,199616,
 884498,1431728,884498,199616,14189,232,1,1,716,
 108250,3353948,31986447,115907544,176287788,
 115907544,31986447,3353948,108250,716,1]