login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A034238 Number of quaternary codes of length 7 with n words. 0
1, 1, 7, 87, 6429, 2303283, 2479201432, 3874477609666, 6599430028972418, 11005421717482468773, 17273734529317171068203, 25181456057693008339763059, 34003737003435994894150148682 (list; graph; refs; listen; history; internal format)
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-.

Sequence in context: A020556 A007803 A034219 * A132486 A183486 A155465

Adjacent sequences:  A034235 A034236 A034237 * A034239 A034240 A034241

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 17:48 EST 2012. Contains 205939 sequences.