Triangle T(n,m) read by rows, obtained from [A(x)]^m = Sum_{n>=m} T(n,m)*x^n, where A(x) (the g.f. for A069271) satisfies 2*x^2*A(x)^3 = 1 - 2*x*A(x) - sqrt(1-4*x*A(x)).

A188108

Triangle T(n,m) read by rows, obtained from [A(x)]^m = Sum_{n>=m} T(n,m)*x^n, where A(x) (the g.f. for A069271) satisfies 2*x^2*A(x)^3 = 1 - 2*x*A(x) - sqrt(1-4*x*A(x)).

Terms

    a(0) =1a(1) =2a(2) =1a(3) =9a(4) =4a(5) =1a(6) =52a(7) =22a(8) =6a(9) =1a(10) =340a(11) =140a(12) =39a(13) =8a(14) =1a(15) =2394a(16) =969a(17) =272a(18) =60a(19) =10a(20) =1a(21) =17710a(22) =7084a(23) =1995a(24) =456a(25) =85a(26) =12a(27) =1a(28) =135720a(29) =53820

External references