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!)
A240391 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 two plus the sum of the elements diagonally to its northwest, modulo 4 1
1, 9, 62, 954, 8656, 142016, 1314136, 21792634, 202647943, 3370994234, 31395506778, 522714912826, 4870472639797, 81112346208261, 755881774461935, 12589433049740763, 117325295715902531, 1954137844293677962 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A240394

LINKS

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

EXAMPLE

Some solutions for n=4

..3..0..0..0....3..0..0..0....3..0..0..0....3..0..0..0....3..0..0..0

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

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

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

CROSSREFS

Sequence in context: A081574 A084151 A346396 * A229701 A341627 A159235

Adjacent sequences: A240388 A240389 A240390 * A240392 A240393 A240394

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 04 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 December 8 05:22 EST 2022. Contains 358672 sequences. (Running on oeis4.)