login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A302262 Number of nX5 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
16, 384, 3818, 40296, 429854, 4608075, 49315068, 527911860, 5651844495, 60512022539, 647867830591, 6936433466124, 74265480772198, 795130321189515, 8513145805873382, 91146924218701992, 975874666111418347 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A302265.

LINKS

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

R. H. Hardin, Empirical recurrence of order 70

FORMULA

Empirical recurrence of order 70 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302265.

Sequence in context: A235729 A189766 A235442 * A302962 A302805 A303466

Adjacent sequences:  A302259 A302260 A302261 * A302263 A302264 A302265

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 04 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 October 22 19:53 EDT 2019. Contains 328319 sequences. (Running on oeis4.)