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A203908 as a simple table

na(n)
11
21
32
40
54
62
76
81
91
104
1110
120
1312
146
158
162
1716
181
1918
200
2112
2210
2322
242
253
2612
270
280
2928
308
3130
323
3320
3416
3524
360
3736
3818
3924
404
4140
4212
4342
440
454
4622
4746
484
495
503
5132
520
5352
540
5540
566
5736
5828
5958
600
6160
6230
636
644
6548
6620
6766
680
6944
7024
7170
721
7372
7436

[1,1,2,0,4,2,6,1,1,4,10,0,12,6,8,2,16,1,18,0,12,
 10,22,2,3,12,0,0,28,8,30,3,20,16,24,0,36,18,24,4,
 40,12,42,0,4,22,46,4,5,3,32,0,52,0,40,6,36,28,58,
 0,60,30,6,4,48,20,66,0,44,24,70,1,72,36]