Numbers m with even length such that phi(m)=phi(d_1^d_2)*phi(d_3^d_4) *...*phi(d_(k-1)^d_k) where d_1 d_2 ... d_k is the decimal expansion of m.
A112011
Numbers m with even length such that phi(m)=phi(d_1^d_2)*phi(d_3^d_4) *...*phi(d_(k-1)^d_k) where d_1 d_2 ... d_k is the decimal expansion of m.
Terms
- a(0) =24a(1) =1064a(2) =2592a(3) =6520a(4) =9234a(5) =145166a(6) =245344a(7) =296480a(8) =372780a(9) =491520a(10) =531765a(11) =546410a(12) =566250a(13) =664062a(14) =12806910a(15) =12826710a(16) =14466530a(17) =15408692a(18) =15621268a(19) =17473715a(20) =19946352a(21) =22297520a(22) =23256720a(23) =30537364a(24) =30869280a(25) =32118177
External references
- oeis: A112011