Indices of primes in sequence defined by A(0) = 31, A(n) = 10*A(n-1) + 61 for n > 0.
A101841
Indices of primes in sequence defined by A(0) = 31, A(n) = 10*A(n-1) + 61 for n > 0.
Terms
- a(0) =0a(1) =4a(2) =70a(3) =111a(4) =114a(5) =172a(6) =262a(7) =309a(8) =357a(9) =10498a(10) =22924a(11) =37956a(12) =254194a(13) =463648
External references
- oeis: A101841