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A191906 as a simple table

na(n)
20
30
42
50
60
70
81
93
102
110
120
130
144
156
164
170
189
190
204
2110
228
230
240
255
2610
271
280
290
3036
310
321
333
3414
359
3641
370
3816
395
400
410
420
430
4416
4512
4620
470
4844
497
506
519
5236
530
5454
554
560
5711
5826
590
600
610
6228
6333
648
658
6666
670
6842
6915
7010
710
7281
730
7434
7539
7616
771
7872
790
8010
819
8238
830
8484
8516
8640
8721

[0,0,2,0,0,0,1,3,2,0,0,0,4,6,4,0,9,0,4,10,8,0,0,5,
 10,1,0,0,36,0,1,3,14,9,41,0,16,5,0,0,0,0,16,12,20,
 0,44,7,6,9,36,0,54,4,0,11,26,0,0,0,28,33,8,8,66,0,
 42,15,10,0,81,0,34,39,16,1,72,0,10,9,38,0,84,16,
 40,21]