Numbers k such that (10^k - 1) - 8*10^floor(k/2) is a palindromic wing prime (a.k.a. near-repdigit palindromic prime).
A077776
Numbers k such that (10^k - 1) - 8*10^floor(k/2) is a palindromic wing prime (a.k.a. near-repdigit palindromic prime).
Terms
- a(0) =3a(1) =11a(2) =27a(3) =87a(4) =339a(5) =363a(6) =3159a(7) =36155a(8) =45305a(9) =314727
External references
- oeis: A077776