Eight white kings and one red king on a 3 X 3 chessboard. G.f.: (1 + x)/(1 - 2*x - 11*x^2 - 6*x^3).
A179596
Eight white kings and one red king on a 3 X 3 chessboard. G.f.: (1 + x)/(1 - 2*x - 11*x^2 - 6*x^3).
Terms
- a(0) =1a(1) =3a(2) =17a(3) =73a(4) =351a(5) =1607a(6) =7513a(7) =34809a(8) =161903a(9) =751783a(10) =3493353a(11) =16227737a(12) =75393055a(13) =350251335a(14) =1627192697a(15) =7559508409a(16) =35119644495a(17) =163157037671a(18) =757987215241
External references
- oeis: A179596