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 A139332 #13 Nov 20 2021 16:49:20 %S A139332 1,1,1,1,2,1,1,5,5,1,1,12,30,12,1,1,29,174,174,29,1,1,70,1015,2436, %T A139332 1015,70,1,1,169,5915,34307,34307,5915,169,1,1,408,34476,482664, %U A139332 1166438,482664,34476,408,1,1,985,200940,6791772,39618670,39618670,6791772,200940,985,1 %N A139332 Duplicate of A099927. %K A139332 dead %O A139332 1,5