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A175481 as a simple table

na(n)
11
21
32
43
55
610
711
811
913
1015
1136
1249
1342
1456
1554
1647
1742
1853
1952
2057
21112
22129
23131
24136
25163
26137
27183
28196
29198
30192
31162
32109
33218
34172
35275
36273
37151
38213
39196
40181
41343
42285
43367
44395
45437
46549
47389
48403
49524
50645
51409
52418
53568
54632
55608
56587
57719
58576
59570
60599
61565
62533
63393
64255
65595
66569
67565
68494
69984
70819

[1,1,2,3,5,10,11,11,13,15,36,49,42,56,54,47,42,53,
 52,57,112,129,131,136,163,137,183,196,198,192,162,
 109,218,172,275,273,151,213,196,181,343,285,367,
 395,437,549,389,403,524,645,409,418,568,632,608,
 587,719,576,570,599,565,533,393,255,595,569,565,
 494,984,819]