Largest n-digit member of A087593. Define dd(k) = the number formed by concatenating the absolute difference of successive digits of k. Sequence contains largest n-digit prime p such that dd(p) is also prime.
A087596
Largest n-digit member of A087593. Define dd(k) = the number formed by concatenating the absolute difference of successive digits of k. Sequence contains largest n-digit prime p such that dd(p) is also prime.
Terms
- a(0) =97a(1) =997a(2) =9967a(3) =99989a(4) =999907a(5) =9999907a(6) =99999989a(7) =999999607a(8) =9999999967a(9) =99999999947a(10) =999999999989
External references
- oeis: A087596