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A034199 Number of binary codes (not necessarily linear) of length n with 4 words. 0
0, 1, 6, 19, 47, 103, 203, 373, 649, 1079, 1727, 2681, 4048, 5969 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

REFERENCES

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

LINKS

Table of n, a(n) for n=1..14.

H. Fripertinger, Isometry Classes of Codes

CROSSREFS

Cf. A034188-.

Sequence in context: A272047 A267829 A027963 * A272752 A272803 A273028

Adjacent sequences:  A034196 A034197 A034198 * A034200 A034201 A034202

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 20 20:16 EDT 2019. Contains 323426 sequences. (Running on oeis4.)