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A034250
Number of quaternary codes (not necessarily linear) of length n with 13 words.
0
0, 4, 160421289, 301341514055753, 212759983293659858532, 105067580130605231781256012, 42603172007898715981922337319015, 14954884176034777008243661081645101440, 4653866336699333619983205123375833231719464, 1302561543355459585313305069725405805940542534756
OFFSET
1,2
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-.
Sequence in context: A116141 A225876 A067508 * A058436 A067501 A066545
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Aug 09 2020
STATUS
approved