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!)
A239409 Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4 1

%I #4 Mar 17 2014 17:50:13

%S 66,3805,205969,11334364,614216271,33522573911,1820591502437,

%T 99155297311831,5390539057008613,293381673332485198,

%U 15956203146991156417,868193383242995642964,47226335011968154541246,2569370658950018916786902

%N Number of 5Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4

%C Row 5 of A239405

%H R. H. Hardin, <a href="/A239409/b239409.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..0..0..3....0..3..1....0..0..3....3..1..0....0..3..1....3..3..0....0..0..0

%e ..3..1..0....3..3..2....0..3..2....2..2..0....3..3..2....0..2..0....0..0..3

%e ..2..0..0....0..3..2....0..3..1....2..0..0....3..1..3....2..1..3....0..0..0

%e ..0..0..2....0..2..2....3..1..3....0..2..0....3..2..3....0..2..2....3..3..2

%e ..0..2..2....2..0..0....2..0..0....0..0..3....2..1..1....0..0..0....3..3..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 17 2014

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 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)