Numbers k such that (10^k - 1)/9 + 6*10^floor(k/2) is a palindromic wing prime (a.k.a. near-repdigit palindromic prime).
A077789
Numbers k such that (10^k - 1)/9 + 6*10^floor(k/2) is a palindromic wing prime (a.k.a. near-repdigit palindromic prime).
Terms
- a(0) =7a(1) =67a(2) =623a(3) =5867a(4) =44471a(5) =78331a(6) =83171
External references
- oeis: A077789