The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A186198 Number of (n+1)X3 0..3 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum 1
3692, 177828, 8615618, 417088596, 20193981078, 977699814950, 47335848259278, 2291792095998252, 110958374507692204, 5372111327226747082, 260093749652303402672, 12592583127612012635058, 609676896434287972027718 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A186200
LINKS
EXAMPLE
Some solutions for 5X3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..3....0..0..2....1..0..3....1..0..2....1..0..2....1..1..0....0..0..3
..0..2..2....0..2..0....0..0..2....0..2..2....0..2..0....2..0..2....2..0..0
..0..1..1....1..0..3....1..3..0....1..0..1....1..3..3....0..3..2....1..3..2
..2..0..3....2..2..0....2..0..2....3..0..0....3..3..3....2..2..2....1..3..0
CROSSREFS
Sequence in context: A179130 A234486 A097500 * A188155 A061660 A219067
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 14 2011
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 13 19:11 EDT 2024. Contains 372522 sequences. (Running on oeis4.)