Indices of primes in sequence defined by A(0) = 43, A(n) = 10*A(n-1) - 7 for n > 0.
A101720
Indices of primes in sequence defined by A(0) = 43, A(n) = 10*A(n-1) - 7 for n > 0.
Terms
- a(0) =0a(1) =3a(2) =8a(3) =9a(4) =30a(5) =69a(6) =159a(7) =170a(8) =276a(9) =629a(10) =723a(11) =3716a(12) =5541a(13) =5633a(14) =10655a(15) =12723a(16) =31953
External references
- oeis: A101720