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!)
A265985 Number of 5Xn integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors less than itself. 0

%I #3 Dec 19 2015 10:43:17

%S 1,5274,262258,8935989,5155545324,1978988798923,298625879496209,

%T 56895408888434760,18329892680201445077,5019263218841920734429

%N Number of 5Xn integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors less than itself.

%C Row 5 of A265981.

%e Some solutions for n=2

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

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

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

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

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

%Y Cf. A265981.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 19 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 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)