Triangle T(n,k): write n in base 9, reverse order of digits.

Terms

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