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!)
A302957 Number of 6Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
0, 361, 25131, 998670, 50519822, 2766909379, 147310312318, 7792601909575, 413221140108695, 21925142145040301, 1163067389442877369, 61694202460260635301, 3272597655031259362393, 173597299390133576071391 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A302953.

LINKS

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

EXAMPLE

Some solutions for n=5

..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0

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

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

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

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

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

CROSSREFS

Cf. A302953.

Sequence in context: A303106 A186869 A185612 * A232081 A231770 A145121

Adjacent sequences:  A302954 A302955 A302956 * A302958 A302959 A302960

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 16 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 5 04:03 EDT 2021. Contains 346457 sequences. (Running on oeis4.)