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A034242 Number of quaternary codes (not necessarily linear) of length n with 5 words. 0
0, 13, 254, 3227, 32970, 292103, 2303283, 16388502, 106287822, 633822588, 3502418937, 18058528687 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..12.

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: A001508 A157946 A321849 * A142811 A034833 A101004

Adjacent sequences:  A034239 A034240 A034241 * A034243 A034244 A034245

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane.

EXTENSIONS

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

STATUS

approved

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Last modified October 26 05:34 EDT 2021. Contains 348256 sequences. (Running on oeis4.)