Primes that are concatenations of two consecutive primes.

Terms

a(0) =23a(1) =3137a(2) =8389a(3) =151157a(4) =157163a(5) =167173a(6) =199211a(7) =233239a(8) =251257a(9) =257263a(10) =263269a(11) =271277a(12) =331337a(13) =353359a(14) =373379a(15) =433439a(16) =467479a(17) =509521a(18) =523541a(19) =541547a(20) =601607a(21) =653659a(22) =661673a(23) =677683a(24) =727733a(25) =941947a(26) =971977a(27) =10131019a(28) =10331039a(29) =11811187