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 A036397 #11 May 21 2025 18:50:01 %S A036397 1,18,144,966,6042 %N A036397 Coefficients of cluster series for site percolation problem on triangular lattice with 1st, 2nd and 3rd neighbor bonds. %D A036397 J. W. Essam, Percolation and cluster size, in C. Domb and M. S. Green, Phase Transitions and Critical Phenomena, Ac. Press 1972, Vol. 2; see especially pp. 225-226. %H A036397 <a href="/index/Cl#cluster">Index entries for sequences related to cluster series</a>. %Y A036397 Cf. A003200, A003203. %K A036397 nonn,more %O A036397 0,2 %A A036397 _N. J. A. Sloane_ %E A036397 Name clarified by _Andrey Zabolotskiy_, Mar 04 2021 %E A036397 a(0) from _Pontus von Brömssen_, May 21 2025