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 A006766 M2005 #23 Jul 08 2025 16:54:14 %S A006766 0,0,0,2,11,77,499,3442,24128,173428,1262464,9307494 %N A006766 Number of 3-dimensional polyominoes with n cells. %D A006766 Dan Hoey, Bill Gosper and Richard C. Schroeppel, Discussions in Math-Fun Mailing list, circa Jul 13 1999. %D A006766 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A006766 W. F. Lunnon, <a href="http://dx.doi.org/10.1093/comjnl/18.4.366">Counting multidimensional polyominoes</a>. Computer Journal 18 (1975), no. 4, pp. 366-367. %H A006766 R. C. Schroeppel, <a href="http://www.experimentalmath.info/workshop2004/schroeppel-talk.pdf">A few mathematical experiments</a>, Experimental Mathematics Workshop, Oakland, California, March 30, 2004. %Y A006766 A row of A049429. A column of A049430. %K A006766 hard,nonn %O A006766 1,4 %A A006766 _N. J. A. Sloane_