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 A353978 #13 Jun 07 2022 15:20:35 %S A353978 4,9,24,71,224,740,2496,8565,29792,104701,371304,1326702,4771380, %T A353978 17256161,62712800,228883359,838492436,3081972336,11361867384, %U A353978 41998361480,155620033360,577900838281 %N A353978 Number of fixed polytans (polyaboloes) with n cells. %Y A353978 Cf. A001168, A006074, A151519. %K A353978 nonn,more %O A353978 1,1 %A A353978 _Aaron N. Siegel_, May 12 2022 %E A353978 a(21)-a(22) from _Aaron N. Siegel_, Jun 07 2022