Smallest prime of the form prime(k) concatenated with prime(k+n).

Terms

a(0) =23a(1) =37a(2) =311a(3) =211a(4) =317a(5) =523a(6) =3767a(7) =223a(8) =229a(9) =337a(10) =1153a(11) =241a(12) =347a(13) =353a(14) =359a(15) =1783a(16) =367a(17) =47137a(18) =271a(19) =379a(20) =383a(21) =283a(22) =397a(23) =53173a(24) =5107a(25) =17137a(26) =3109a(27) =41179a(28) =2113a(29) =11149