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A233924 Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 8 and no adjacent elements equal 1
15230, 273318, 5389600, 117016814, 2644508910, 61446631860, 1445209360978, 34277771102530, 815537967438972, 19458666839438514, 464512763396314566, 11102011449736037176, 265289173951286586038, 6343430991806988527594 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A233928
LINKS
EXAMPLE
Some solutions for n=1
..1..0..2..0..2....4..2..0..2..1....4..2..0..1..0....4..3..0..2..3
..4..2..0..2..0....2..4..2..0..3....2..4..1..4..1....1..4..2..4..1
CROSSREFS
Sequence in context: A031623 A105924 A259395 * A115924 A251952 A205996
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 17 2013
STATUS
approved

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Last modified June 22 00:43 EDT 2024. Contains 373561 sequences. (Running on oeis4.)