Numbers k such that the smoothly undulating palindromic number (78*10^k - 87)/99 is a prime.
A062225
Numbers k such that the smoothly undulating palindromic number (78*10^k - 87)/99 is a prime.
Terms
- a(0) =3a(1) =5a(2) =21a(3) =27a(4) =95a(5) =2075a(6) =2165a(7) =3047a(8) =3503a(9) =16791a(10) =34883
External references
- oeis: A062225