Beginning with 3, least prime such that concatenation of first n terms and its digit reversal both are primes.

A113584

Beginning with 3, least prime such that concatenation of first n terms and its digit reversal both are primes.

Terms

    a(0) =3a(1) =7a(2) =3a(3) =3a(4) =43a(5) =101a(6) =19a(7) =269a(8) =1873a(9) =41a(10) =241a(11) =3137a(12) =139a(13) =9011a(14) =9187a(15) =641a(16) =29881a(17) =12227a(18) =3169a(19) =13499a(20) =8539a(21) =7019a(22) =19447a(23) =12899a(24) =73243a(25) =124769a(26) =1063a(27) =37847a(28) =127a(29) =32321

External references