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!)
A303037 Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
8, 31, 56, 234, 703, 2494, 9882, 38855, 158630, 674410, 2921913, 12955678, 58544796, 267600375, 1235405800, 5748447218, 26880477835, 126178539898, 594019756766, 2801839213779, 13234169550602, 62575594084426, 296088878641741 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A303040.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=5

..0..1..0..1..0. .0..0..0..1..0. .0..0..1..1..0. .0..1..0..1..0

..1..0..0..1..0. .0..1..0..1..1. .0..1..0..1..0. .0..0..0..1..1

..1..0..0..0..0. .0..1..0..1..0. .0..1..0..1..0. .1..1..1..1..1

..1..1..0..1..0. .1..0..0..1..0. .1..1..0..0..0. .1..0..0..1..0

..1..0..1..1..0. .1..0..1..0..0. .0..1..0..1..0. .1..0..1..0..0

CROSSREFS

Cf. A303040.

Sequence in context: A305479 A302306 A067950 * A230386 A022273 A302874

Adjacent sequences: A303034 A303035 A303036 * A303038 A303039 A303040

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 17 2018

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 April 1 16:47 EDT 2023. Contains 361695 sequences. (Running on oeis4.)