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 A144587 #2 Apr 19 2016 01:10:16 %S A144587 2152640,11948993133919100295708672000 %N A144587 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 m numbers. %C A144587 If m=n then we get A030163. %e A144587 Factorizations: %e A144587 2^6*5*7*31^2 %e A144587 2^22*5^3*7^2*11^3*19*23*31^2*683*3^4*13^2 %K A144587 nonn,bref %O A144587 1,1 %A A144587 _Yasutoshi Kohmoto_, Jan 11 2009