Triangle T, read by rows, such that the matrix square, T^2, forms a simple 2-diagonal triangle where [T^2](n,n) = 1 and [T^2](n+1,n) = 2*(n+1) for n>=0.
A113278
Triangle T, read by rows, such that the matrix square, T^2, forms a simple 2-diagonal triangle where [T^2](n,n) = 1 and [T^2](n+1,n) = 2*(n+1) for n>=0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =-1a(4) =2a(5) =1a(6) =3a(7) =-3a(8) =3a(9) =1a(10) =-15a(11) =12a(12) =-6a(13) =4a(14) =1a(15) =105a(16) =-75a(17) =30a(18) =-10a(19) =5a(20) =1a(21) =-945a(22) =630a(23) =-225a(24) =60a(25) =-15a(26) =6a(27) =1a(28) =10395a(29) =-6615
External references
- oeis: A113278