Numbers n such that prime(n) and pi(n) are palindromic.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =26a(6) =32a(7) =36a(8) =138a(9) =3691a(10) =6987a(11) =7193a(12) =86969a(13) =117766a(14) =127150a(15) =142583a(16) =515786a(17) =531448a(18) =539596a(19) =615980a(20) =646060a(21) =17262354a(22) =39816443a(23) =47548105a(24) =48803361a(25) =49426747a(26) =528977302a(27) =538348374a(28) =1475057753a(29) =1559827952