Numbers k such that (10^k - 1)/3 + 5*10^floor(k/2) is a palindromic wing prime (a.k.a. near-repdigit palindromic prime).
A077792
Numbers k such that (10^k - 1)/3 + 5*10^floor(k/2) is a palindromic wing prime (a.k.a. near-repdigit palindromic prime).
Terms
- a(0) =3a(1) =15a(2) =171a(3) =189a(4) =547a(5) =713a(6) =2155a(7) =3595a(8) =13517a(9) =60465
External references
- oeis: A077792