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A093968 as a simple table

na(n)
00
11
22
36
48
520
624
756
864
9144
10160
11352
12384
13832
14896
151920
162048
174352
184608
199728
2010240
2121504
2222528
2347104
2449152
25102400
26106496
27221184
28229376
29475136
30491520
311015808
321048576
332162688
342228224
354587520
364718592
379699328
389961472
3920447232
4020971520

[0,1,2,6,8,20,24,56,64,144,160,352,384,832,896,
 1920,2048,4352,4608,9728,10240,21504,22528,47104,
 49152,102400,106496,221184,229376,475136,491520,
 1015808,1048576,2162688,2228224,4587520,4718592,
 9699328,9961472,20447232,20971520]