Largest right-truncatable, reversible prime in base n.

Terms

a(0) =23a(1) =53a(2) =449a(3) =191a(4) =1171a(5) =30671a(6) =5827a(7) =3733a(8) =901687a(9) =10357a(10) =834469a(11) =3043427a(12) =5430889a(13) =4060019a(14) =498061a(15) =34763a(16) =118248433a(17) =62344463a(18) =218555173a(19) =4463351a(20) =114607657a(21) =7903613a(22) =14523874693a(23) =211675817a(24) =32814697a(25) =93375223a(26) =162466979a(27) =8052409793a(28) =12006877873