A292765 A292764(n)/2.
1, 4, 9, 18, 33, 60, 105, 180, 309, 526, 895, 1520, 2581, 4378, 7427, 12596
Offset: 1
Crossrefs
Cf. A292764.
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.