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!)
A254771 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I #4 Feb 07 2015 14:25:56

%S 48168,207006,1667480,14533460,113507484,914580497,7597019270,

%T 62541963004,513132714629,4230602003079,34864204145608,

%U 287126794557915,2365368104280794,19489875195992603,160564821826177027

%N Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Column 4 of A254775

%H R. H. Hardin, <a href="/A254771/b254771.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A254771/a254771.txt">Empirical recurrence of order 69</a>

%F Empirical recurrence of order 69 (see link above)

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 07 2015

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 07:48 EDT 2024. Contains 371235 sequences. (Running on oeis4.)