A132807 A000108(n) + A000079(n) - 1.
1, 2, 5, 12, 29, 73, 195, 556, 1685, 5373
Offset: 0
Keywords
Examples
a(3) = 12 = C(3) + 2^3 - 1 = 5 + 8 = 1.
Formula
a(n) = C(n) + 2^n - 1.
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.