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A028578 as a simple table

na(n)
01
10
20
312
46
50
648
748
818
964
1096
11108
1244
130
14192
15240
1690
17192
18384
19396
20144
210
22432
23528
24212
25384
26672
27792
28288
290
30960
31960
32330
33832
341152
351152
36418
370
381584
391680
40528
411152
421920
431836
44588
450
462112

[1,0,0,12,6,0,48,48,18,64,96,108,44,0,192,240,90,
 192,384,396,144,0,432,528,212,384,672,792,288,0,
 960,960,330,832,1152,1152,418,0,1584,1680,528,
 1152,1920,1836,588,0,2112]