Irregular triangle, read by rows, of primes with prefix n and digits "3" appended, otherwise 0.

Terms

a(0) =13a(1) =23a(2) =233a(3) =2333a(4) =23333a(5) =0a(6) =43a(7) =433a(8) =53a(9) =0a(10) =73a(11) =733a(12) =7333a(13) =83a(14) =0a(15) =103a(16) =1033a(17) =10333a(18) =103333a(19) =113a(20) =0a(21) =0a(22) =0a(23) =0a(24) =163a(25) =173a(26) =1733a(27) =17333a(28) =0a(29) =193