Indices of primes in sequence defined by A(0) = 49, A(n) = 10*A(n-1) - 31 for n > 0.
A101728
Indices of primes in sequence defined by A(0) = 49, A(n) = 10*A(n-1) - 31 for n > 0.
Terms
- a(0) =5a(1) =20a(2) =21a(3) =23a(4) =50a(5) =80a(6) =131a(7) =164a(8) =620a(9) =1449a(10) =3423a(11) =5978a(12) =11525a(13) =26979a(14) =49232a(15) =84926
External references
- oeis: A101728