Numbers x such that sigma(x)=sigma(V(x)), where sigma(x) is the sum of the divisors of x and V(x) the transform defined in A245252.
A245469
Numbers x such that sigma(x)=sigma(V(x)), where sigma(x) is the sum of the divisors of x and V(x) the transform defined in A245252.
Terms
- a(0) =432a(1) =537a(2) =3954a(3) =4641a(4) =5394a(5) =7487a(6) =7889a(7) =12640a(8) =20999a(9) =23099a(10) =25990a(11) =35960a(12) =38320a(13) =39479a(14) =41569a(15) =44628a(16) =54880a(17) =58302a(18) =65569a(19) =67172a(20) =73321a(21) =85277a(22) =92939a(23) =106750a(24) =118240a(25) =131652a(26) =153912a(27) =192632a(28) =245019a(29) =258852
External references
- oeis: A245469