|
|
A233979
|
|
Number of (n+1)X(6+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 13
|
|
1
|
|
|
2103216, 29109544, 389559628, 6350866260, 106538195860, 2104951002192, 43731733430488, 1045586328430444, 25705350150910592, 702635673101606088, 19028702525331856192, 558142425256831332916, 15818509157621868542444
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1
..0..2..1..4..3..4..4....0..2..0..1..0..1..4....0..2..0..4..1..2..2
..3..4..0..0..2..0..3....4..3..4..0..4..0..2....4..3..4..3..5..3..6
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|