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 A198014 #18 Jul 22 2025 12:54:34 %S A198014 2,8,18,37,63,104,153,224,305,413,534,688,856,1064,1288,1557,1845, %T A198014 2184,2543,2960,3399,3901,4428,5024,5646,6344,7070,7877,8715,9640, %U A198014 10597,11648,12733,13917,15138,16464,17828,19304,20820,22453,24129,25928,27771,29744 %N A198014 Number of isomorphism classes of nanocones with 3 pentagons and a nearsymmetric boundary of length n. %H A198014 Nico Van Cleemput, <a href="/A198014/b198014.txt">Table of n, a(n) for n = 1..75</a> %H A198014 Gunnar Brinkmann and Nico Van Cleemput, <a href="https://doi.org/10.1016/j.dam.2011.06.014">Classification and generation of nanocones</a>, Discrete Applied Mathematics, 159 (2011), 1528-1539. %F A198014 Conjectured g.f.: (3*x^5 + 2*x^4 + 5*x^3 + 6*x^2 + 6*x + 2)*x/((x - 1)^4*(x + 1)^2*(x^2 + x + 1)). [_D. S. McNeil_, Oct 20 2011] %K A198014 nonn %O A198014 1,1 %A A198014 _Nico Van Cleemput_, Oct 20 2011