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!)
A239848 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4 1
7, 109, 2221, 46260, 874352, 15039319, 232886648, 3315673203, 44101959522, 556619827523, 6695977596256, 76860374449526, 842768492337658, 8843612429559950, 89035572461799515, 862379702184879987 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A239849
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..3..3....0..0..3..3..0..0....0..0..3..3..0..0....0..3..3..0..0..0
..0..0..3..3..1..3....0..0..3..3..0..0....0..3..1..3..2..0....0..3..2..3..3..3
..0..3..3..2..2..1....3..3..0..0..2..3....3..1..3..2..1..0....3..1..3..1..2..2
..3..3..2..0..0..2....3..3..0..1..2..3....3..2..1..2..3..2....3..3..0..2..3..3
CROSSREFS
Sequence in context: A123804 A333092 A274668 * A274787 A116875 A357395
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 28 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 April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)