Numbers k such that k copies of 12 followed by 1 is a palindromic prime.
A056803
Numbers k such that k copies of 12 followed by 1 is a palindromic prime.
Terms
- a(0) =3a(1) =5a(2) =21a(3) =69a(4) =313a(5) =699a(6) =798a(7) =989a(8) =3904a(9) =7029a(10) =23249
External references
- oeis: A056803