%I #7 Apr 20 2021 22:57:15

%S 25200,982800,1562400,5358990,6854400,60933600,267321600,450964684800,

%T 798939187200,17587622707200,31158628300800,118216784402841600,

%U 459775632811622400,1936908127288531353600,75539416964252722790400

%N Irrational unitary phi amicable number: numbers b such that uphi(a) = uphi(b) = 2*(a^2-b^2)^(1/2) where uphi = A047994.

%C Factorizations: 2^4*3^2*5^2*7, 2^4*3^3*13*5^2*7, 2^5*3^2*31*5^2*7, 2*3*5*7*13^2*151, 2^5*3^3*13*31*5^2*7, ...

%C Warning: sequence data may be incomplete beyond 267321600. - _Sean A. Irvine_, Apr 20 2021

%Y Cf. A046710, A047994.

%K nonn

%O 1,1

%A _Yasutoshi Kohmoto_

%E Missing term inserted, terms sorted, and general revision by _Sean A. Irvine_, Apr 20 2021