login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A240323 Number of nX3 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4 1
4, 17, 116, 455, 1677, 8091, 28448, 117304, 513841, 1871262, 7963314, 32859835, 125032724, 531287384, 2129046798, 8380565700, 35092450158, 139319279619, 559869375850, 2308650810237, 9177286253390, 37241010454269, 151821739788451 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A240327

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

..3..2..3....3..2..2....3..2..2....2..3..3....3..2..3....2..3..2....2..3..3

..2..1..1....2..1..1....2..3..0....3..1..2....2..1..1....3..1..3....3..0..1

..3..0..2....3..0..0....3..2..0....3..1..3....3..2..2....3..1..2....2..1..1

..3..2..0....2..1..2....3..2..0....2..3..2....2..3..0....3..2..2....2..1..0

CROSSREFS

Sequence in context: A209903 A004140 A271612 * A206353 A260694 A032115

Adjacent sequences:  A240320 A240321 A240322 * A240324 A240325 A240326

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 03 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 | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified January 20 17:42 EST 2018. Contains 297961 sequences.