A059731 Row sums in A059922.
1, 2, 4, 8, 20, 94, 2108, 695476, 120914640072, 102916053328656342226, 2647928508186688136206570909837012470132, 1011512706265078711983169811701795624935502997612381468564241675434874528
Offset: 0
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.