Triangle T(n,k): write n in base 5, reverse order of digits.

Terms

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