Triangle T(n,k) read by rows, defined by the equation f(x, y) := Sum_{n, k} T(n, k) * y^k * x^n = 1/(1 - x*y - x^2*y*f(x, y+1)).

A357438

Triangle T(n,k) read by rows, defined by the equation f(x, y) := Sum_{n, k} T(n, k) * y^k * x^n = 1/(1 - x*y - x^2*y*f(x, y+1)).

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =1a(8) =3a(9) =1a(10) =0a(11) =2a(12) =6a(13) =6a(14) =1a(15) =0a(16) =5a(17) =16a(18) =20a(19) =10a(20) =1a(21) =0a(22) =15a(23) =51a(24) =71a(25) =50a(26) =15a(27) =1a(28) =0a(29) =52

External references