Numbers n such that prime(n) - sigma(n) - phi(n) = prime(n+1) - sigma(n+1) - phi(n+1), where sigma(n) = sum of divisors of n.
A048783
Numbers n such that prime(n) - sigma(n) - phi(n) = prime(n+1) - sigma(n+1) - phi(n+1), where sigma(n) = sum of divisors of n.
Terms
- a(0) =2a(1) =33a(2) =57a(3) =62a(4) =142a(5) =201a(6) =253a(7) =302a(8) =501a(9) =542a(10) =745a(11) =877a(12) =878a(13) =913a(14) =921a(15) =1153a(16) =1198a(17) =1201a(18) =1477a(19) =1642a(20) =1942a(21) =1982a(22) =2041a(23) =2326a(24) =2362a(25) =2605a(26) =2973a(27) =3046a(28) =3226a(29) =3273
External references
- oeis: A048783