Graham-Sloane-type lower bound on the size of a ternary (n,3,3) constant-weight code.

Terms

a(0) =2a(1) =6a(2) =10a(3) =16a(4) =24a(5) =32a(6) =42a(7) =54a(8) =66a(9) =80a(10) =96a(11) =112a(12) =130a(13) =150a(14) =170a(15) =192a(16) =216a(17) =240a(18) =266a(19) =294a(20) =322a(21) =352a(22) =384a(23) =416a(24) =450a(25) =486a(26) =522a(27) =560a(28) =600a(29) =640