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 A128114 #3 Feb 16 2025 08:33:04 %S A128114 0,0,0,1,0,3,0,2,0,5,0,10,0,7,0,5,0,7,0,9,0,12,0,15,0,14,0,7,0,18,0,9, %T A128114 0,19,0,7,0,21,0,10,0,14,0,11,0,26,0,12,0,23,0,14,0,21,0,14,0,33,0,42, %U A128114 0,35,0,19,0,23,0,18,0,28,0,14,0,42,0,21,0,28,0,18,0,47,0,14,0,49,0,24,0 %N A128114 Number of uniform polyhedra with n vertices. %H A128114 Hart, George W., <a href="http://www.georgehart.com/virtual-polyhedra/uniform-info.html">Uniform Polyhedra</a>. %H A128114 Maeder, Roman E., <a href="http://www.mathconsult.ch/showroom/unipoly/unipoly.html">Uniform Polyhedra</a>. %H A128114 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/UniformPolyhedron.html">Uniform Polyhedron.</a> %F A128114 After 120th term, a(n) equals 0 for n odd and 2 * A055684(n/2) + A128115(n/2) + 2 for n even. %e A128114 Every other term is zero because there are no uniform polyhedra with an odd number of vertices. a(6)=3 because there are the octahedron, the tetrahemihexahedron and the triangular prism. %Y A128114 Cf. A128914. %K A128114 nonn %O A128114 1,6 %A A128114 Paulo de A. Sachs (sachs6(AT)yahoo.de), Feb 15 2007, corrected Feb 15 2007