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A167157 as a simple table

na(n)
20
31
40
51
62
73
81
92
103
115
123
134
147
1510
166
176
187
1912
209
218
2215
2320
2411
2512
2616
2721
2818
2916
3024
3132
3224
3318
3426
3537
3623
3724
3838
3945
4037
4130
4233
4352
4444
4534
4656
4769
4845
4940
5054
5166
5258
5348
5466
5592
5668
5749
5871
5998
6070
6163
6296
63104
6492
6574
6680
67122
6898
6972
70120

[0,1,0,1,2,3,1,2,3,5,3,4,7,10,6,6,7,12,9,8,15,20,
 11,12,16,21,18,16,24,32,24,18,26,37,23,24,38,45,
 37,30,33,52,44,34,56,69,45,40,54,66,58,48,66,92,
 68,49,71,98,70,63,96,104,92,74,80,122,98,72,120]