Triangle T(n,k): Write n in base 7, reverse order of digits, to get row n.

Terms

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