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A337980 as a simple table

na(n)
11
20
30
42
50
63
70
83
93
102
117
120
136
140
153
167
176
185
190
206
214
220
234
243
2510
260
275
2810
294
307
3115
320
337
344
356
3616
370
386
394
406
413
4218
430
447
4512
460
474
489
490
504
514
522
5343
540
556
5616
5721
580
595
6033
610
624
6312
6419
650
665
678
680
694
708
714
723
7332
740
757
7632
774
787
794
803
819
8234
830
8410
8557

[1,0,0,2,0,3,0,3,3,2,7,0,6,0,3,7,6,5,0,6,4,0,4,3,
 10,0,5,10,4,7,15,0,7,4,6,16,0,6,4,6,3,18,0,7,12,0,
 4,9,0,4,4,2,43,0,6,16,21,0,5,33,0,4,12,19,0,5,8,0,
 4,8,4,3,32,0,7,32,4,7,4,3,9,34,0,10,57]