The prime(n)-th prime number ending in prime(n), or 0 if none exists.

Terms

a(0) =0a(1) =23a(2) =0a(3) =107a(4) =2411a(5) =3413a(6) =5417a(7) =4919a(8) =5923a(9) =8629a(10) =9931a(11) =10937a(12) =14741a(13) =14243a(14) =16747a(15) =18553a(16) =19259a(17) =22961a(18) =24767a(19) =28571a(20) =24373a(21) =31079a(22) =29483a(23) =33589a(24) =35597a(25) =498101a(26) =475103a(27) =528107a(28) =555109a(29) =570113