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A156665 as a simple table

na(n)
01
11
21
33
42
51
63
75
83
91
107
118
128
134
141
157
1615
1716
1812
195
201
2115
2222
2331
2428
2517
266
271
2815
2937
3053
3159
3245
3323
347
351
3631
3752
3890
39112
40104
4168
4230
438
441
4531
4683
47142
48202
49216
50172
5198
5238
539
541
5563
56114
57225
58344
59418
60388
61270
62136
6347
6410
651

[1,1,1,3,2,1,3,5,3,1,7,8,8,4,1,7,15,16,12,5,1,15,
 22,31,28,17,6,1,15,37,53,59,45,23,7,1,31,52,90,
 112,104,68,30,8,1,31,83,142,202,216,172,98,38,9,1,
 63,114,225,344,418,388,270,136,47,10,1]