Joint-rank array of the numbers (3*i+1)*3^j, where i>=0, j>=0, by antidiagonals.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =7a(5) =4a(6) =14a(7) =19a(8) =11a(9) =6a(10) =41a(11) =55a(12) =32a(13) =16a(14) =8a(15) =122a(16) =163a(17) =95a(18) =46a(19) =21a(20) =9a(21) =365a(22) =487a(23) =284a(24) =136a(25) =60a(26) =25a(27) =10a(28) =1094a(29) =1459