Numbers k such that, in the prime factorization of k, the sum of the primes equals the squared sum of exponents.
A231230
Numbers k such that, in the prime factorization of k, the sum of the primes equals the squared sum of exponents.
Terms
- a(0) =1a(1) =28a(2) =98a(3) =132a(4) =198a(5) =351a(6) =368a(7) =726a(8) =1092a(9) =1375a(10) =1488a(11) =1521a(12) =1540a(13) =1638a(14) =2232a(15) =2295a(16) =2320a(17) =3008a(18) =3025a(19) =3348a(20) =3822a(21) =3825a(22) =3850a(23) =4048a(24) =4232a(25) =5022a(26) =5390a(27) =5800a(28) =6375a(29) =6591
External references
- oeis: A231230