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!)
A230573 Number of 4Xn 0..4 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 5, and upper left element zero 1
0, 0, 0, 32, 2582, 93450, 2541242, 70699812, 1933505188, 52460448298, 1419932825064, 38407842262522, 1038562970267906, 28078745979449558, 759100680221322298, 20521698685121650464, 554783828758730501850 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Row 4 of A230571

LINKS

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

EXAMPLE

Some solutions for n=4

..0..1..2..3....0..1..0..4....0..1..2..3....0..1..0..4....0..1..2..1

..0..4..4..0....2..3..3..2....0..4..4..0....2..3..2..1....2..3..0..4

..3..2..1..3....4..0..1..0....3..2..1..0....4..0..0..4....4..0..3..0

..1..0..4..3....2..3..4..3....1..3..4..3....1..2..3..2....1..2..1..0

CROSSREFS

Sequence in context: A222742 A077143 A198284 * A111923 A136246 A248074

Adjacent sequences:  A230570 A230571 A230572 * A230574 A230575 A230576

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 23 2013

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 May 10 21:08 EDT 2021. Contains 343780 sequences. (Running on oeis4.)