login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A241430 Number of nX3 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 zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4 1
4, 10, 22, 97, 213, 381, 1005, 1900, 4137, 10518, 21092, 47994, 111034, 227786, 526558, 1173266, 2506934, 5760387, 12607288, 27523425, 62352333, 135931174, 300820619, 674058895, 1474383381, 3279987103, 7290574867, 16018404203 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A241435

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A189589 A025576 A189596 * A023378 A276308 A334260

Adjacent sequences: A241427 A241428 A241429 * A241431 A241432 A241433

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 22 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 November 26 18:01 EST 2022. Contains 358362 sequences. (Running on oeis4.)