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 A361439 #14 Apr 25 2023 03:29:17 %S A361439 1,1,1,1,1,2,2,4,4,7,8,18,19,37,42,66,87,132,157,252 %N A361439 The number of generators for the monoid of basic log-concave (with no internal zeros) cyclotomic generating functions of degree n. %C A361439 A cyclotomic generating function is a polynomial with nonnegative integer coefficients that is a product of cyclotomic polynomials, or equivalently a rational expression in q-integers. %D A361439 Sara Billey and J. Swanson, Cyclotomic Generating Functions, manuscript. %K A361439 nonn,more %O A361439 1,6 %A A361439 _Sara Billey_, Mar 12 2023