Indices of primes in sequence defined by A(0) = 89, A(n) = 10*A(n-1) - 31 for n > 0.
A101073
Indices of primes in sequence defined by A(0) = 89, A(n) = 10*A(n-1) - 31 for n > 0.
Terms
- a(0) =0a(1) =1a(2) =7a(3) =16a(4) =18a(5) =24a(6) =39a(7) =48a(8) =57a(9) =58a(10) =91a(11) =112a(12) =295a(13) =636a(14) =1855a(15) =2514a(16) =3592a(17) =6990a(18) =11839a(19) =86071a(20) =93507
External references
- oeis: A101073