A144588 - OEIS

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.

%I #4 Apr 14 2016 03:56:10

%S 2439360,13205954936303752529313792000

%N 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 If m=n then we get A030163.

%e 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 nonn,bref

%O 1,1

%A _Yasutoshi Kohmoto_, Jan 11 2009