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A240951 as a simple table

na(n)
11
22
35
48
516
632
764
8128
9256
10512
111024
122048
134096
148192
1516384
1632768
1765536
18131072
19262144
20524288
211048576
222097152
234194304
248388608
2516777216
2633554432
2767108864
28134217728
29268435456
30536870912
311073741824
322147483648
334294967296
348589934592

[1,2,5,8,16,32,64,128,256,512,1024,2048,4096,8192,
 16384,32768,65536,131072,262144,524288,1048576,
 2097152,4194304,8388608,16777216,33554432,
 67108864,134217728,268435456,536870912,1073741824,
 2147483648,4294967296,8589934592]