Indices of primes in sequence defined by A(0) = 57, A(n) = 10*A(n-1) - 23 for n > 0.
A101580
Indices of primes in sequence defined by A(0) = 57, A(n) = 10*A(n-1) - 23 for n > 0.
Terms
- a(0) =1a(1) =5a(2) =7a(3) =17a(4) =52a(5) =67a(6) =241a(7) =275a(8) =319a(9) =563a(10) =619a(11) =1781a(12) =2339a(13) =2453a(14) =5764a(15) =15529a(16) =15604a(17) =22937
External references
- oeis: A101580