Joint-rank array of the numbers (3*i+2)*3^j, where i>=0, j>=0, by antidiagonals.

Terms

a(0) =1a(1) =3a(2) =2a(3) =9a(4) =7a(5) =4a(6) =27a(7) =22a(8) =12a(9) =5a(10) =81a(11) =67a(12) =36a(13) =16a(14) =6a(15) =243a(16) =202a(17) =108a(18) =49a(19) =20a(20) =8a(21) =729a(22) =607a(23) =324a(24) =148a(25) =62a(26) =25a(27) =10a(28) =2187a(29) =1822