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A027292 as a simple table

na(n)
01
13
28
312
431
548
6121
7192
8475
9768
101872
113072
127398
1312288
1429295
1549152
16116179
17196608
18461284
19786432
201833202
213145728
227290818
2312582912
2429014046
2550331648
26115521296
27201326592
28460153644
29805306368
301833594171

[1,3,8,12,31,48,121,192,475,768,1872,3072,7398,
 12288,29295,49152,116179,196608,461284,786432,
 1833202,3145728,7290818,12582912,29014046,
 50331648,115521296,201326592,460153644,805306368,
 1833594171]