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A228612 as a simple table

na(n)
00
11
21
34
44
512
632
780
880
9192
10448
111024
122304
135120
1411264
1524576
1624576
1753248
18114688
19245760
20524288
211114112
222359296
234980736
2410485760
2522020096
2646137344
2796468992
28201326592
29419430400
30872415232
311811939328
321811939328
333758096384
347784628224

[0,1,1,4,4,12,32,80,80,192,448,1024,2304,5120,
 11264,24576,24576,53248,114688,245760,524288,
 1114112,2359296,4980736,10485760,22020096,
 46137344,96468992,201326592,419430400,872415232,
 1811939328,1811939328,3758096384,7784628224]