Number of (indecomposable or decomposable) binary self-dual codes (singly- or doubly-even) of length 2n and minimal distance exactly 4.
A106167
Number of (indecomposable or decomposable) binary self-dual codes (singly- or doubly-even) of length 2n and minimal distance exactly 4.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =0a(6) =1a(7) =1a(8) =3a(9) =2a(10) =7a(11) =8a(12) =28a(13) =47a(14) =155a(15) =457a(16) =2482a(17) =19914
External references
- oeis: A106167