Indices of primes in sequence defined by A(0) = 47, A(n) = 10*A(n-1) - 3 for n > 0.
A101731
Indices of primes in sequence defined by A(0) = 47, A(n) = 10*A(n-1) - 3 for n > 0.
Terms
- a(0) =0a(1) =1a(2) =5a(3) =9a(4) =11a(5) =12a(6) =21a(7) =31a(8) =45a(9) =60a(10) =67a(11) =89a(12) =109a(13) =651a(14) =1607a(15) =1903a(16) =2002a(17) =3037a(18) =3085a(19) =9579a(20) =9697a(21) =10638a(22) =14460
External references
- oeis: A101731