A034249 Number of quaternary codes (not necessarily linear) of length n with 12 words.

0, 10, 40411006, 16115614918786, 2743732568913925577, 335945077218184962957540, 34003737003435994894150148682, 2984588821879989225616325978449208, 232335548668502380985795271986258349451, 16268469921243333766692294351708903359498443

Offset

1,2

Links

Table of n, a(n) for n=1..10.

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-.

Sequence in context: A116126 A220145 A057141 * A358815 A131679 A259391

Adjacent sequences: A034246 A034247 A034248 * A034250 A034251 A034252

Keyword

nonn

Author

N. J. A. Sloane.

Extensions

More terms from Sean A. Irvine, Aug 09 2020

Status

approved