Indices of primes in the sequence defined by A(0) = 23, A(n) = 10*A(n-1) + 63 for n > 0.
A101973
Indices of primes in the sequence defined by A(0) = 23, A(n) = 10*A(n-1) + 63 for n > 0.
Terms
- a(0) =0a(1) =1a(2) =4a(3) =9a(4) =28a(5) =38a(6) =113a(7) =483a(8) =864a(9) =4179a(10) =5384a(11) =13121a(12) =13831a(13) =22675a(14) =25019a(15) =30056a(16) =35909a(17) =37934a(18) =42294a(19) =50193a(20) =110075a(21) =184123a(22) =191151
External references
- oeis: A101973