Location via proxy:   [ UP ]  
[Report a bug]   [Manage cookies]                
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!)
A203190 Number of nX7 0..4 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor 1
3985, 271942421, 9045835238617, 257892549401944763, 7699282272868336554723, 232103745979086439437076471, 6970324759861265041580630860421, 209209746691129348723930919203856597 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A203191
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..12
EXAMPLE
Some solutions for n=4
..4..3..2..2..1..1..4....1..1..2..3..2..0..1....1..0..4..2..3..2..4
..4..4..1..4..1..1..4....4..3..3..3..0..1..4....1..4..4..2..4..0..4
..4..1..0..4..1..1..1....4..1..3..3..1..4..4....1..1..0..3..4..3..2
..1..2..4..4..0..0..0....3..1..3..3..3..0..0....1..4..4..1..1..2..0
CROSSREFS
Sequence in context: A321053 A233648 A186799 * A229382 A159218 A159216
Adjacent sequences: A203187 A203188 A203189 * A203191 A203192 A203193
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 30 2011
STATUS
approved

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 August 18 16:14 EDT 2024. Contains 375269 sequences. (Running on oeis4.)