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!)
A241352 Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4 1
6, 17, 51, 128, 248, 624, 1323, 2715, 5798, 11469, 22610, 44855, 88994, 180577, 367607, 733516, 1503885, 3019433, 6043861, 12320601, 24650945, 49784403, 100845525, 202178447, 409323604, 825183533, 1660318484, 3359379163 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A241356
LINKS
EXAMPLE
Some solutions for n=4
..3..2..3..3....2..3..3..2....2..3..3..3....3..2..3..3....3..2..3..3
..3..1..2..1....2..1..1..2....2..1..2..3....3..2..2..1....3..1..2..1
..2..3..3..3....2..0..3..2....3..0..1..1....2..3..3..3....2..3..0..2
..2..1..2..2....2..0..1..2....2..3..0..2....3..2..2..2....3..0..0..2
CROSSREFS
Sequence in context: A083334 A199113 A297297 * A239796 A231223 A231437
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 20 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 March 1 22:23 EST 2024. Contains 370443 sequences. (Running on oeis4.)