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A087081 as a simple table

na(n)
00
11
26
324
448
5156
6192
7580
8836
91444
101660
114596
124980
1313184
1414768
1517308
1621756
1755888
1858768
19146416
20157552
21181008
22196304
23481664
24500096
25765648
26825152
271073920
281148288
292745728
302768768
316505728
327453952
338233792
348736960
359984832
3610208064

[0,1,6,24,48,156,192,580,836,1444,1660,4596,4980,
 13184,14768,17308,21756,55888,58768,146416,157552,
 181008,196304,481664,500096,765648,825152,1073920,
 1148288,2745728,2768768,6505728,7453952,8233792,
 8736960,9984832,10208064]