A169785 A151723(2^n).
1, 7, 31, 127, 499, 1975, 7855, 31327, 125119, 500083, 1999507, 7996327
Offset: 0
Keywords
Formula
a(n) = 6*A169781(n) -6*2^n + 1.
Extensions
a(11) from Mike Warburton, Jan 31 2019.
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
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