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A034233 Number of quaternary codes of length 2 with n words. +0
1
1, 1, 2, 4, 10, 13, 23, 26, 32, 26, 23, 13, 10, 4, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; listen)
OFFSET

0,3

REFERENCES

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

LINKS

H. Fripertinger, Isometry Classes of Codes

CROSSREFS

Cf. A034188-.

Adjacent sequences: A034230 A034231 A034232 this_sequence A034234 A034235 A034236

Sequence in context: A127591 A100912 A026224 this_sequence A056718 A057283 A082230

KEYWORD

nonn

AUTHOR

njas

page 1

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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