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A146109 as a simple table

na(n)
01
11
22
35
415
514
613
73
817
90
1018
114
125
137
1414
1516
1615
171
1810
192
203
217
221
2310
248
2516
261
2717
2818
293
309
3112
322
3311
3412
3516
3611
3712
385
3910
408
4111
4218
435
4417
4518
4616
472
4812
492
5014
5113
524
539
548
554
5617
5715
5818
590
6010
614
623
6316
6415
6518
6614
6714
6816
698
7017
7113
7217
7312
742
7513
7614
7718
7810
7914
807
810
8212

[1,1,2,5,15,14,13,3,17,0,18,4,5,7,14,16,15,1,10,2,
 3,7,1,10,8,16,1,17,18,3,9,12,2,11,12,16,11,12,5,
 10,8,11,18,5,17,18,16,2,12,2,14,13,4,9,8,4,17,15,
 18,0,10,4,3,16,15,18,14,14,16,8,17,13,17,12,2,13,
 14,18,10,14,7,0,12]