A256412 Column 2 of triangle in A256411.
8, 37, 145, 452, 1374, 3933
Offset: 2
Crossrefs
Cf. A256411.
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.