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.
%I A068732 #10 Mar 10 2024 00:20:47 %S A068732 1,15,19097,2789847759,44976296745414509,80633423581611695455020595 %N A068732 Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -7 .. 7. %Y A068732 By size 3 X 3, ..., 6 X 6 A068722-A068725, by velocity limit 1..13 A068726-A068738. %K A068732 nonn,more %O A068732 1,2 %A A068732 _R. H. Hardin_, Feb 26 2002 %E A068732 a(5)-a(6) from _Sean A. Irvine_, Mar 09 2024