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A139631 as a simple table

na(n)
01
10
21
30
41
51
62
71
82
91
103
112
124
132
145
154
166
175
188
196
2011
218
2213
2310
2416
2514
2620
2717
2824
2921
3031
3126
3237
3332
3444
3541
3654
3749
3864
3959
4079
4172
4294
4386
44111
45106
46132
47126
48156
49149
50187
51178
52219
53210
54257
55251
56302
57295
58352
59346
60416
61406
62483
63474
64560

[1,0,1,0,1,1,2,1,2,1,3,2,4,2,5,4,6,5,8,6,11,8,13,
 10,16,14,20,17,24,21,31,26,37,32,44,41,54,49,64,
 59,79,72,94,86,111,106,132,126,156,149,187,178,
 219,210,257,251,302,295,352,346,416,406,483,474,
 560]