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 A181708 #4 Jul 22 2025 08:42:39 %S A181708 4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,20,21,22,24,26,27,30,32,34,37, %T A181708 38,42,47,52,62,92 %N A181708 Numbers of faces of polyhedra made entirely of regular polygons that are not prisms or antiprisms. %C A181708 The prisms and antiprisms form infinite sequences of polyhedra that contain all integers >= 5 and all even numbers >= 8 respectively. %e A181708 19 is not in this sequence because the heptadecagonal prism is the only 19-faced polyhedron made entirely of regular polygons. 36 is not in this sequence because the 34-gonal prism and heptadecagonal antiprism are the only 36-faced polyhedra made entirely of regular polygons. %Y A181708 Cf. A180916 %K A181708 fini,full,nonn %O A181708 1,1 %A A181708 _J. Lowell_, Nov 06 2010