login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons 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

%I

%S 7,109,2221,46260,874352,15039319,232886648,3315673203,44101959522,

%T 556619827523,6695977596256,76860374449526,842768492337658,

%U 8843612429559950,89035572461799515,862379702184879987

%N 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

%C Column 6 of A239849

%H R. H. Hardin, <a href="/A239848/b239848.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 28 2014

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 14 13:12 EDT 2020. Contains 336480 sequences. (Running on oeis4.)