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A175725 as a simple table

na(n)
04
15
23
34
46
54
65
76
85
98
108
1110
129
1310
1411
1510
1610
1712
1811
1914
2011
2117
2215
2316
2418
2516
2617
2718
2817
2920
3011
3117
3215
3316
3418
3516
3617
3718
3817
3920
4012
4118
4216
4317
4419
4517
4618
4719
4818
4921
5012
5118
5216
5317
5419
5517
5618
5719
5818
5921
6013
6119
6217
6318
6420
6518
6619
6720
6819
6922
7014
7120
7218

[4,5,3,4,6,4,5,6,5,8,8,10,9,10,11,10,10,12,11,14,
 11,17,15,16,18,16,17,18,17,20,11,17,15,16,18,16,
 17,18,17,20,12,18,16,17,19,17,18,19,18,21,12,18,
 16,17,19,17,18,19,18,21,13,19,17,18,20,18,19,20,
 19,22,14,20,18]