A238091 A bisection of A136259.
1, 4, 9, 18, 31, 33, 39, 56, 58, 94, 96, 103, 156, 239, 245, 253, 255, 257, 275, 277, 420, 610, 788, 790, 792, 1070, 1665, 1667, 1669
Offset: 1
Formula
a(n) = A136259(2*n-1). - Jinyuan Wang, Mar 04 2020
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.