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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A034348 Number of binary [ n,7 ] codes without 0 columns. 0
0, 0, 0, 0, 0, 0, 1, 7, 35, 170, 847, 4408, 24297, 143270, 901491, 5985278, 41175203, 287813284, 2009864185, 13848061942, 93369988436, 613030637339, 3908996099141, 24179747870890, 145056691643428 (list; graph; refs; listen; history; internal format)
OFFSET

1,8

REFERENCES

H. Fripertinger and A. Kerber, in AAECC-11, Lect. Notes Comp. Sci. 948 (1995), 194-204.

LINKS

H. Fripertinger, Isometry Classes of Codes

CROSSREFS

Cf. A034253, A034344-.

Sequence in context: A037099 A055421 A110213 * A005055 A037506 A037689

Adjacent sequences:  A034345 A034346 A034347 * A034349 A034350 A034351

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 14 05:41 EST 2012. Contains 205570 sequences.