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A173803 as a simple table

n a(n)
1 11
2 31
3 71
4 151
5 311
6 631
7 2551
8 655351
9 2621431
10 10485751
11 5497558138871
12 10995116277751
13 175921860444151
14 737869762948382064631
15 396140812571321687967719751671

[11,31,71,151,311,631,2551,655351,2621431,
 10485751,5497558138871,10995116277751,
 175921860444151,737869762948382064631,
 396140812571321687967719751671]

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Last modified August 8 21:55 EDT 2022. Contains 356016 sequences. (Running on oeis4.)