a(1) = 2; a(n) = smallest palindromic number of the form k*a(n-1) + 1 with k > 1.
A069506
a(1) = 2; a(n) = smallest palindromic number of the form k*a(n-1) + 1 with k > 1.
Terms
- a(0) =2a(1) =5a(2) =11a(3) =111a(4) =1111a(5) =11111a(6) =111111a(7) =1111111a(8) =11111111a(9) =111111111a(10) =1111111111a(11) =11111111111a(12) =111111111111
External references
- oeis: A069506