Matrix inverse of triangle A104505, which is the right-hand side of triangle A084610 of coefficients in (1 + x - x^2)^n.
A104509
Matrix inverse of triangle A104505, which is the right-hand side of triangle A084610 of coefficients in (1 + x - x^2)^n.
Terms
- a(0) =1a(1) =1a(2) =-1a(3) =3a(4) =-2a(5) =1a(6) =4a(7) =-6a(8) =3a(9) =-1a(10) =7a(11) =-12a(12) =10a(13) =-4a(14) =1a(15) =11a(16) =-25a(17) =25a(18) =-15a(19) =5a(20) =-1a(21) =18a(22) =-48a(23) =60a(24) =-44a(25) =21a(26) =-6a(27) =1a(28) =29a(29) =-91
External references
- oeis: A104509