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!)
A269828 Number of nX7 0..4 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling four exactly once. 1
30720, 55265336, 65284613232, 71730749075588, 74936429415811576, 75641344262475714972, 74703200829032822656704, 72410184537396417428483772, 69247970979790014999193560760, 65469795278283248240466444354336 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A269829.
LINKS
EXAMPLE
Some solutions for n=1
..3..0..4..1..4..4..1. .1..1..2..4..4..0..3. .0..0..2..4..2..2..4
CROSSREFS
Cf. A269829.
Sequence in context: A237636 A236126 A236944 * A270057 A236899 A258891
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 05 2016
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 February 24 07:07 EST 2024. Contains 370294 sequences. (Running on oeis4.)