Triangle of primes associated with A083779.

Terms

a(0) =1a(1) =5a(2) =3a(3) =13a(4) =11a(5) =7a(6) =31a(7) =29a(8) =23a(9) =17a(10) =43a(11) =41a(12) =37a(13) =31a(14) =29a(15) =109a(16) =107a(17) =103a(18) =101a(19) =89a(20) =47a(21) =1879a(22) =1877a(23) =1873a(24) =1871a(25) =1867a(26) =1861a(27) =59a(28) =5659a(29) =5657