Triangle, read by rows, equal to the matrix inverse of A056241, which is formed from the even-indexed trinomial coefficients.

A104027

Triangle, read by rows, equal to the matrix inverse of A056241, which is formed from the even-indexed trinomial coefficients.

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =2a(4) =-3a(5) =1a(6) =-7a(7) =12a(8) =-6a(9) =1a(10) =41a(11) =-73a(12) =41a(13) =-10a(14) =1a(15) =-376a(16) =675a(17) =-390a(18) =105a(19) =-15a(20) =1a(21) =5033a(22) =-9048a(23) =5256a(24) =-1446a(25) =225a(26) =-21a(27) =1a(28) =-92821a(29) =166901

External references