0,3
Table of n, a(n) for n=0..8.
Patric R. J. Östergård, Classification of small binary/ternary one-error-correcting codes (Appendix), Discrete Mathematics 223 (2000), 253-262.
Cf. A057575-A057584, A050142.
Sequence in context: A056348 A308546 A324737 * A198296 A276033 A327018
Adjacent sequences: A057571 A057572 A057573 * A057575 A057576 A057577
nonn,more
N. J. A. Sloane, Oct 04 2000
approved