Array T(k,n) read by antidiagonals. G.f.: x(1-x)/(1-kx+x^2), k>1.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =3a(8) =5a(9) =1a(10) =1a(11) =4a(12) =11a(13) =13a(14) =1a(15) =1a(16) =5a(17) =19a(18) =41a(19) =34a(20) =1a(21) =1a(22) =6a(23) =29a(24) =91a(25) =153a(26) =89a(27) =1a(28) =1a(29) =7