Triangle in which j-th entry in i-th row is (j+1)^(i-j).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =4a(8) =3a(9) =1a(10) =1a(11) =8a(12) =9a(13) =4a(14) =1a(15) =1a(16) =16a(17) =27a(18) =16a(19) =5a(20) =1a(21) =1a(22) =32a(23) =81a(24) =64a(25) =25a(26) =6a(27) =1a(28) =1a(29) =64