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!)
A302744 Number of 5Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
16, 512, 11980, 286631, 6947036, 168799572, 4104115772, 99818649293, 2427829113648, 59052536397220, 1436349489188322, 34936780127006555, 849778519255324644, 20669440240076116148, 502749555285048546206 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A302741.

LINKS

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

R. H. Hardin, Empirical recurrence of order 64

FORMULA

Empirical recurrence of order 64 (see link above)

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

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

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

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

CROSSREFS

Cf. A302741.

Sequence in context: A302738 A299658 A300212 * A147641 A300801 A268147

Adjacent sequences:  A302741 A302742 A302743 * A302745 A302746 A302747

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 12 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 April 17 16:12 EDT 2021. Contains 343063 sequences. (Running on oeis4.)