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A033747 as a simple table

na(n)
01
12
20
30
42
52
64
72
84
96
100
114
124
138
144
150
1614
170
180
190
202
2116
220
234
244
252
260
274
2818
298
304
318
328
334
348
352
3618
3720
380
394
404
4112
4212
4320
4416
456
4612
478
4828
4930
500
5128
5220
5312
548
554
5648
578
5816
598
604
6120
628
6346
6434
658
6616
6720
6820
6940

[1,2,0,0,2,2,4,2,4,6,0,4,4,8,4,0,14,0,0,0,2,16,0,
 4,4,2,0,4,18,8,4,8,8,4,8,2,18,20,0,4,4,12,12,20,
 16,6,12,8,28,30,0,28,20,12,8,4,48,8,16,8,4,20,8,
 46,34,8,16,20,20,40]