A119626 Erroneous version of A178674.
6, 12, 30, 84, 246, 732, 2790, 8364, 25086, 75252, 225750, 677264
Offset: 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.