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A147558 as a simple table

na(n)
11
21
31
42
52
63
74
88
98
1014
1118
1229
1340
1468
1588
16174
17210
18344
19492
20852
211144
221962
232786
244601
256704
2611240
2716096
2827738
2939650
3064936
3197108
32168408
33236880
34397110
35589298
36979496
371459960
382421132
393604880
406086790

[1,1,1,2,2,3,4,8,8,14,18,29,40,68,88,174,210,344,
 492,852,1144,1962,2786,4601,6704,11240,16096,
 27738,39650,64936,97108,168408,236880,397110,
 589298,979496,1459960,2421132,3604880,6086790]