a(n) begins the earliest chain of exactly n distinct primes such that any term in the chain equals the previous term increased by the product of its digits.
A225544
a(n) begins the earliest chain of exactly n distinct primes such that any term in the chain equals the previous term increased by the product of its digits.
Terms
- a(0) =2a(1) =29a(2) =23a(3) =347a(4) =293a(5) =239a(6) =57487a(7) =486193a(8) =1725121513
External references
- oeis: A225544