Numbers k such that 7*(10^k - 1)/9 + 2*10^floor(k/2) is a palindromic wing prime (a.k.a. near-repdigit palindromic prime).
A077796
Numbers k such that 7*(10^k - 1)/9 + 2*10^floor(k/2) is a palindromic wing prime (a.k.a. near-repdigit palindromic prime).
Terms
- a(0) =3a(1) =5a(2) =17a(3) =39a(4) =41a(5) =425a(6) =561a(7) =1775a(8) =2043a(9) =11031a(10) =16233a(11) =23705
External references
- oeis: A077796