Indices of primes in sequence defined by A(0) = 71, A(n) = 10*A(n-1) + 31 for n > 0.
A101139
Indices of primes in sequence defined by A(0) = 71, A(n) = 10*A(n-1) + 31 for n > 0.
Terms
- a(0) =0a(1) =3a(2) =5a(3) =6a(4) =9a(5) =15a(6) =21a(7) =30a(8) =1314a(9) =2063a(10) =6149a(11) =8706a(12) =12251a(13) =18609a(14) =21629a(15) =41711a(16) =44807a(17) =45420
External references
- oeis: A101139