Even numbers which are neither primes nor perfect powers and are coprime to the sum of their divisors.
A248023
Even numbers which are neither primes nor perfect powers and are coprime to the sum of their divisors.
Terms
- a(0) =50a(1) =98a(2) =242a(3) =338a(4) =392a(5) =578a(6) =722a(7) =800a(8) =968a(9) =1058a(10) =1250a(11) =1352a(12) =1682a(13) =1922a(14) =2312a(15) =2450a(16) =2738a(17) =2888a(18) =3362a(19) =3698a(20) =3872a(21) =4232a(22) =4418a(23) =4802a(24) =5408a(25) =5618a(26) =6050a(27) =6272a(28) =6728a(29) =6962
External references
- oeis: A248023