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!)
A250993 Number of (n+1)X(7+1) 0..2 arrays with nondecreasing min(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 95628,934786,7290819,51107941,340511877,2187354714,13747683580,

%T 85050448183,521103041332,3172483290605,19248353517300,

%U 116595441402342,706146697322567,4279749251856378,25973620268856053,157903942281652090

%N Number of (n+1)X(7+1) 0..2 arrays with nondecreasing min(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 Column 7 of A250994

%H R. H. Hardin, <a href="/A250993/b250993.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 29 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 February 28 09:13 EST 2021. Contains 341695 sequences. (Running on oeis4.)