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 A144588 #4 Apr 14 2016 03:56:10 %S A144588 2439360,13205954936303752529313792000 %N A144588 Consider pairs m,n such that UnitaryPhi(m)=UnitaryPhi(n)=1/8*(5*m^(1/2)-3*n^(1/2))^2, m<n Sequence gives n numbers. %C A144588 If m=n then we get A030163. %e A144588 2^6*5*7*3^2*11^2 and 2^22*5^3*7^2*11^3*19*23*31^2*683*3^2*41^2. %K A144588 nonn,bref %O A144588 1,1 %A A144588 _Yasutoshi Kohmoto_, Jan 11 2009