login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A237727
Number of (n+1)X(5+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
1
28877, 542946, 10499035, 213127880, 4174594857, 81322186248, 1600427032562, 31963255437824, 628861098745518, 12333769685662064, 243325043577953816, 4824543828151342532, 95071620844450797674, 1870327346910709693072
OFFSET
1,1
COMMENTS
Column 5 of A237730
LINKS
EXAMPLE
Some solutions for n=1
..0..1..2..1..2..1....0..0..0..2..1..1....1..1..2..2..1..0....2..1..1..2..1..1
..1..2..0..1..2..2....0..2..1..1..2..1....1..2..0..0..2..1....0..0..0..0..1..0
CROSSREFS
Sequence in context: A249957 A157610 A250011 * A252319 A237232 A031636
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 12 2014
STATUS
approved