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!)
A267026 Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any northeast or northwest neighbors modulo 7 and the upper left element equal to 0. 0

%I

%S 720,19,147,1015,15171,255437,4893787,100710495,2166450939

%N Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any northeast or northwest neighbors modulo 7 and the upper left element equal to 0.

%C Row 7 of A267019.

%e Some solutions for n=4

%e ..0..4..0..3....0..3..0..4....0..3..0..4....0..3..6..3....0..0..0..0

%e ..4..1..4..1....4..1..4..0....4..1..4..1....4..0..3..6....1..1..1..1

%e ..1..5..1..5....1..4..1..5....2..5..1..5....0..4..0..3....2..2..2..2

%e ..5..2..5..2....5..2..5..1....6..2..5..1....4..1..4..1....3..3..3..3

%e ..2..6..2..6....2..5..2..6....3..6..2..5....1..5..1..5....4..4..4..4

%e ..6..3..6..3....6..2..6..3....0..3..6..2....6..2..5..2....5..5..5..5

%e ..3..0..4..0....3..0..3..6....4..0..3..6....2..6..2..5....6..6..6..6

%Y Cf. A267019.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 09 2016

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 October 25 21:15 EDT 2021. Contains 348256 sequences. (Running on oeis4.)