A034241 Number of quaternary codes (not necessarily linear) of length n with 4 words.

1, 10, 55, 223, 759, 2309, 6429, 16674, 40719, 94344, 208619, 442442

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• more

Links

• H. Fripertinger, Isometry Classes of Codes
• H. Fripertinger, Enumeration, construction and random generation of block codes, Designs, Codes, Crypt., 14 (1998), 213-219.

Crossrefs

Cf. A034188-.

Extensions

a(10)-a(12) from Sean A. Irvine, Aug 09 2020