login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A246152 Number of inequivalent n X 7 binary matrices, where equivalence means permutations of rows or columns or the symbol set. 1
1, 4, 40, 367, 4745, 68379, 1072086, 16821330, 254092124, 3608247685, 47733362102, 587016912645, 6721970343643, 71907225898320, 721352899257954, 6812732993272120, 60802368520799533, 514586622373193034, 4143078743506122930, 31825800605751740274 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Column k=7 of A242093.
Sequence in context: A222273 A220366 A220310 * A155641 A122652 A299867
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Aug 17 2014
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 23 08:23 EDT 2024. Contains 374546 sequences. (Running on oeis4.)