Numbers k such that (10^k - 1)/3 + 2*10^floor(k/2) is a palindromic wing prime (a.k.a. near-repdigit palindromic prime).
A077784
Numbers k such that (10^k - 1)/3 + 2*10^floor(k/2) is a palindromic wing prime (a.k.a. near-repdigit palindromic prime).
Terms
- a(0) =3a(1) =5a(2) =35a(3) =159a(4) =237a(5) =325a(6) =355a(7) =371a(8) =481a(9) =1649a(10) =3641a(11) =4709a(12) =269623
External references
- oeis: A077784