Starting with a(1) = 6, a(n) is the smallest number whose sum of prime divisors (taken with multiplicity) is a(n-1). In other words, a(n) = A056240(a(n-1)).
A318387
Starting with a(1) = 6, a(n) is the smallest number whose sum of prime divisors (taken with multiplicity) is a(n-1). In other words, a(n) = A056240(a(n-1)).
Terms
- a(0) =6a(1) =8a(2) =15a(3) =26a(4) =69a(5) =134a(6) =393a(7) =1556a(8) =4659a(9) =9314a(10) =27933a(11) =921327a(12) =85680249a(13) =171360494a(14) =2227686253a(15) =17821489976a(16) =124750429783
External references
- oeis: A318387