login
The OEIS is supported by the many generous donors to the OEIS Foundation.
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A187937
Number of (n+2)X8 binary arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum
0
10296, 64024, 3394156, 94215422, 3490809390
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A187940
LINKS
Table of n, a(n) for n=1..5.
EXAMPLE
Some solutions for 4X8
..1..1..1..1..0..1..0..0....0..1..0..1..0..1..1..1....0..0..0..0..1..1..1..0
..0..0..0..1..0..1..1..1....1..0..1..0..0..0..1..0....1..1..1..1..1..0..0..1
..1..1..1..1..1..0..0..1....0..1..0..0..1..1..1..1....0..0..0..1..0..1..1..0
..0..0..0..0..1..1..1..0....1..0..1..0..1..0..0..1....1..1..1..0..1..0..0..1
CROSSREFS
Sequence in context: A257184 A254984 A241788 * A154089 A227410 A227411
Adjacent sequences: A187934 A187935 A187936 * A187938 A187939 A187940
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 16 2011
STATUS
approved

Lookup Welcome Wiki Register Music Plot 2 Demos Index WebCam Contribute Format Style Sheet Transforms Superseeker Recents
The OEIS Community
Maintained by The OEIS Foundation Inc.
Last modified November 25 00:59 EST 2024. Contains 378089 sequences.
License Agreements, Terms of Use, Privacy Policy