|
|
|
|
| A208560
|
|
Number of n X n 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors
(history;
published version)
|
|
|
|
|
#7 by Charles R Greathouse IV at Fri Dec 18 18:18:03 EST 2015
|
|
| NAME
|
Number of n X nXnn 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors
|
|
|
|
|
Discussion
|
| Fri Dec 18
| 18:18
| OEIS Server: https://oeis.org/edit/global/2478
|
|
|
|
|
|
|
#6 by Russ Cox at Sat Mar 31 12:37:23 EDT 2012
|
|
| AUTHOR
|
_R. H. Hardin (rhhardin(AT)att.net) _ Feb 28 2012
|
|
|
|
|
Discussion
|
| Sat Mar 31
| 12:37
| OEIS Server: https://oeis.org/edit/global/875
|
|
|
|
|
|
|
#5 by Ron Hardin at Tue Feb 28 07:33:46 EST 2012
|
|
|
|
|
|
|
|
#4 by Ron Hardin at Tue Feb 28 07:33:41 EST 2012
|
|
| LINKS
|
R. H. Hardin, <a href="/A208560/b208560.txt">Table of n, a(n) for n = 1..12</a>
|
|
|
|
|
|
|
#3 by Ron Hardin at Tue Feb 28 07:33:20 EST 2012
|
|
| NAME
|
allocatedNumber of nXn 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or forleft-upward Rondiagonal Hardinneighbors
|
|
| DATA
|
1, 10, 1059, 600426, 1820627588, 29489112993258, 2550050797214882163, 1177059517691274455925664, 2899898779178057927709489333244, 38132339745477816025554449167624111270
|
|
| OFFSET
|
1,2
|
|
| COMMENTS
|
Diagonal of A208567
|
|
| EXAMPLE
|
Some solutions for n=4
..0..0..0..1....0..0..0..0....0..0..1..2....0..0..1..2....0..1..1..0
..1..1..1..0....1..1..1..1....0..2..2..0....2..1..0..0....1..2..2..2
..0..2..2..2....2..2..2..2....2..0..0..1....1..2..1..1....0..1..0..1
..0..1..0..0....0..0..0..0....2..1..2..1....2..1..2..2....2..0..1..2
|
|
| KEYWORD
|
allocated
nonn
|
|
| AUTHOR
|
R. H. Hardin (rhhardin(AT)att.net) Feb 28 2012
|
|
| STATUS
|
approved
editing
|
|
|
|
|
|
|
#2 by Ron Hardin at Tue Feb 28 07:31:37 EST 2012
|
|
| KEYWORD
|
allocating
allocated
|
|
|
|
|
|
|
#1 by Ron Hardin at Tue Feb 28 07:31:37 EST 2012
|
|
| NAME
|
allocated for Ron Hardin
|
|
| KEYWORD
|
allocating
|
|
| STATUS
|
approved
|
|
|
|
|
|
