OA.81.5.3.4


OA(81,5,3,4)
λ = 1, 1 / 2
d(C) = 2
ρ(C) = 1
↙    ↘
OA(27,4,3,3)
λ = 1, 1 / 2
d(C) = 2
ρ(C) = 1
OA(54,4,3,3)
λ = 2, 2 / 3
d(C) = 1
ρ(C) = 1
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OA(9,3,3,2)
λ = 1, 1 / 2
d(C) = 2
ρ(C) = 1
OA(18,3,3,2)
λ = 2, 2 / 3
d(C) = 1
ρ(C) = 1
OA(36,3,3,2)
λ = 4, 4 / 5
d(C) = 1
ρ(C) = 1
  ↙    ↘   
  ↙    ↘   
  ↙    ↘  
OA(3,2,3,1)
λ = 1, 1 / 2
d(C) = 2
ρ(C) = 1
OA(6,2,3,1)
λ = 2, 2 / 3
d(C) = 1
ρ(C) = 1
OA(12,2,3,1)
λ = 4, 4 / 5
d(C) = 1
ρ(C) = 1
OA(24,2,3,1)
λ = 8, 8 / 9
d(C) = 1
ρ(C) = 1


OA(81,4,3,4)
λ = 1, 1 / 1
d(C) = 1
ρ(C) = 0
↙    ↘
OA(27,3,3,3)
λ = 1, 1 / 1
d(C) = 1
ρ(C) = 0
OA(54,3,3,3)
λ = 2, 1 / 1
d(C) = 1
ρ(C) = 0
  ↙    ↘   
   ↙    ↘  
OA(9,2,3,2)
λ = 1, 1 / 1
d(C) = 1
ρ(C) = 0
OA(18,2,3,2)
λ = 2, 1 / 1
d(C) = 1
ρ(C) = 0
OA(36,2,3,2)
λ = 4, 1 / 1
d(C) = 1
ρ(C) = 0
  ↙    ↘   
  ↙    ↘   
  ↙    ↘  
OA(3,1,3,1)
λ = 1, 1 / 1
d(C) = 1
ρ(C) = 0
OA(6,1,3,1)
λ = 2, 1 / 1
d(C) = 1
ρ(C) = 0
OA(12,1,3,1)
λ = 1, 1 / 1
d(C) = 1
ρ(C) = 0
OA(24,1,3,1)
λ = 8, 1 / 1
d(C) = 1
ρ(C) = 0