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A063571 as a simple table

na(n)
04
13
23
35
42
53
62
75
81
94
1010
1114
123
139
146
157
168
179
1810
1912
207
216
2217
2321
2410
2517
266
275
289
2920
3026
3125
325
3321
349
3515
3612
3710
3813
3914
404
4110
429
4314
446
4511
4614
4712
4817
4913
5018
513
527
5329
5413
5513
5616
5725
5811
5911
6020

[4,3,3,5,2,3,2,5,1,4,10,14,3,9,6,7,8,9,10,12,7,6,
 17,21,10,17,6,5,9,20,26,25,5,21,9,15,12,10,13,14,
 4,10,9,14,6,11,14,12,17,13,18,3,7,29,13,13,16,25,
 11,11,20]