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!)
A250679 Number of (3+1)X(n+1) 0..3 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction 1

%I

%S 2512,34630,388916,4008211,38224684,345255872,2996016017,25227877364,

%T 207711004347,1680947958659,13425296521939,106128580452188,

%U 832257246775220,6485280761219682,50282187542669984,388284093532906123

%N Number of (3+1)X(n+1) 0..3 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction

%C Row 3 of A250676

%H R. H. Hardin, <a href="/A250679/b250679.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A250679/a250679.txt">Empirical recurrence of order 58K</a>

%F Empirical recurrence of order 58 (see link above)

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 26 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 May 27 08:12 EDT 2022. Contains 354096 sequences. (Running on oeis4.)