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!)
A263798 Number of (n+1)X(7+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits, and rows and columns lexicographically nonincreasing 1
5, 5, 25, 56, 494, 4991, 62904, 760671, 8468941, 90476206, 850301770, 7703098612, 62160939006, 482749236704, 3416830587073, 23238401292501, 146883022822593, 892090634118666, 5108443008090443, 28144017611172958, 147708619212786406 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A263799

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..76

EXAMPLE

Some solutions for n=5

..1..1..1..1..0..0..0..0....1..1..1..1..0..0..0..0....1..1..1..1..1..1..0..0

..1..1..0..0..1..1..0..0....1..1..0..0..1..1..0..0....1..1..1..1..0..0..1..1

..1..0..1..0..1..1..1..0....1..0..1..0..1..0..1..1....1..1..0..0..1..1..1..1

..1..0..0..1..0..0..0..0....1..0..0..1..0..0..1..1....1..1..0..0..0..0..0..0

..0..1..1..0..1..0..0..1....0..0..1..0..0..1..1..1....0..0..0..0..1..1..1..1

..0..1..0..0..1..0..1..1....0..0..0..0..0..0..1..1....0..0..0..0..0..0..1..1

CROSSREFS

Cf. A263799

Sequence in context: A263872 A237654 A038247 * A257607 A093643 A223263

Adjacent sequences:  A263795 A263796 A263797 * A263799 A263800 A263801

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 26 2015

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 May 28 07:30 EDT 2022. Contains 354112 sequences. (Running on oeis4.)