Eight white kings and one red king on a 3 X 3 chessboard. G.f.: (1 + 4*x)/(1 - 3*x - 8*x^2).
A179599
Eight white kings and one red king on a 3 X 3 chessboard. G.f.: (1 + 4*x)/(1 - 3*x - 8*x^2).
Terms
- a(0) =1a(1) =7a(2) =29a(3) =143a(4) =661a(5) =3127a(6) =14669a(7) =69023a(8) =324421a(9) =1525447a(10) =7171709a(11) =33718703a(12) =158529781a(13) =745338967a(14) =3504255149a(15) =16475477183a(16) =77460472741a(17) =364185235687
External references
- oeis: A179599