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A089882 as a simple table

na(n)
10
20
30
40
58
616
732
864
9128
10256
11512
121024
13768
141536
153072
166144
1712288
1824576
1916384
2032768
2165536
22131072
23262144
24524288
251048576
262097152
274194304
288388608
2916777216
3033554432
3120971520
3241943040
3383886080
34167772160

[0,0,0,0,8,16,32,64,128,256,512,1024,768,1536,
 3072,6144,12288,24576,16384,32768,65536,131072,
 262144,524288,1048576,2097152,4194304,8388608,
 16777216,33554432,20971520,41943040,83886080,
 167772160]