Triangle T(n,m) read by rows: T(m,n) = (1+n*3^m)-th prime.

Terms

a(0) =2a(1) =3a(2) =7a(3) =5a(4) =17a(5) =67a(6) =7a(7) =29a(8) =107a(9) =421a(10) =11a(11) =41a(12) =157a(13) =599a(14) =2153a(15) =13a(16) =53a(17) =199a(18) =769a(19) =2791a(20) =9857a(21) =17a(22) =67a(23) =257a(24) =967a(25) =3469a(26) =12203a(27) =41851a(28) =19a(29) =79