Indices of primes in the sequence defined by A(0) = 31, A(n) = 10*A(n-1) + 71 for n > 0.
A101844
Indices of primes in the sequence defined by A(0) = 31, A(n) = 10*A(n-1) + 71 for n > 0.
Terms
- a(0) =0a(1) =2a(2) =18a(3) =29a(4) =39a(5) =41a(6) =44a(7) =69a(8) =306a(9) =537a(10) =1608a(11) =1667a(12) =1673a(13) =4491a(14) =4934a(15) =6111a(16) =12818a(17) =14078a(18) =16019a(19) =23004a(20) =50996a(21) =82869
External references
- oeis: A101844