Triangle read by rows. T(n, k) = n - k if n - k < k, otherwise k.

Terms

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