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

Terms

a(0) =2a(1) =4a(2) =8a(3) =13a(4) =19a(5) =27a(6) =36a(7) =46a(8) =58a(9) =71a(10) =85a(11) =101a(12) =118a(13) =136a(14) =156a(15) =177a(16) =199a(17) =223a(18) =248a(19) =274a(20) =302a(21) =331a(22) =361a(23) =393a(24) =426a(25) =460a(26) =496a(27) =533a(28) =571a(29) =611