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A307320 as a simple table

na(n)
10
20
30
40
50
62
70
83
94
100
116
126
130
142
153
1610
170
188
190
209
2112
2213
2317
2416
2517
268
2721
2813
2922
3014
310
3225
3322
3412
3518
3622
3730
3814
3917
4027
4136
4229
4332
4432
4525
4636
4740
4837
4940
5034
5118
5230
5347
5444
5540
5639
5729
5846
5953
6040
610
6226
6351
6455
6541
6650
6762
6842
6957
7044
7161

[0,0,0,0,0,2,0,3,4,0,6,6,0,2,3,10,0,8,0,9,12,13,
 17,16,17,8,21,13,22,14,0,25,22,12,18,22,30,14,17,
 27,36,29,32,32,25,36,40,37,40,34,18,30,47,44,40,
 39,29,46,53,40,0,26,51,55,41,50,62,42,57,44,61]