Ruth-Aaron numbers (2): sum of prime divisors of n = sum of prime divisors of n+1 (both taken with multiplicity).
A039752
Ruth-Aaron numbers (2): sum of prime divisors of n = sum of prime divisors of n+1 (both taken with multiplicity).
Terms
- a(0) =5a(1) =8a(2) =15a(3) =77a(4) =125a(5) =714a(6) =948a(7) =1330a(8) =1520a(9) =1862a(10) =2491a(11) =3248a(12) =4185a(13) =4191a(14) =5405a(15) =5560a(16) =5959a(17) =6867a(18) =8280a(19) =8463a(20) =10647a(21) =12351a(22) =14587a(23) =16932a(24) =17080a(25) =18490a(26) =20450a(27) =24895a(28) =26642a(29) =26649
External references
- oeis: A039752