Location via proxy:   [ UP ]   [Report a bug]   [Manage cookies]    No cookies    No scripts    No ads    No referrer    Show this form

login

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

 

Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!) A262911 Number of (n+1)X(n+1) 0..1 arrays with each row divisible by 3 and each column divisible by 7, read as a binary number with top and left being the most significant bits. 0 1, 3, 15, 137, 18190, 1550557, 1282949605 (list; graph; refs; listen; history; text; internal format) OFFSET 1,2 COMMENTS Diagonal of A262917. LINKS Table of n, a(n) for n=1..7. EXAMPLE Some solutions for n=4 ..0..1..0..0..1....1..0..0..1..0....0..0..0..0..0....0..1..1..0..0 ..0..0..0..0..0....0..0..0..0..0....0..0..0..0..0....0..0..0..0..0 ..0..1..1..1..1....1..1..1..1..0....0..1..1..1..1....0..1..1..0..0 ..0..0..1..1..0....0..1..1..0..0....0..1..1..1..1....0..0..0..0..0 ..0..1..1..1..1....1..1..1..1..0....0..1..1..1..1....0..1..1..0..0 CROSSREFS Cf. A262917. Sequence in context: A113723 A113379 A267018 * A163949 A005816 A179470 Adjacent sequences: A262908 A262909 A262910 * A262912 A262913 A262914 KEYWORD nonn AUTHOR R. H. Hardin, Oct 04 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 August 18 11:13 EDT 2024. Contains 375265 sequences. (Running on oeis4.)