Ruth-Aaron numbers (1): sum of prime divisors of n = sum of prime divisors of n+1.
A006145
Ruth-Aaron numbers (1): sum of prime divisors of n = sum of prime divisors of n+1.
Terms
- a(0) =5a(1) =24a(2) =49a(3) =77a(4) =104a(5) =153a(6) =369a(7) =492a(8) =714a(9) =1682a(10) =2107a(11) =2299a(12) =2600a(13) =2783a(14) =5405a(15) =6556a(16) =6811a(17) =8855a(18) =9800a(19) =12726a(20) =13775a(21) =18655a(22) =21183a(23) =24024a(24) =24432a(25) =24880a(26) =25839a(27) =26642a(28) =35456a(29) =40081
External references
- oeis: A006145