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A237900 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
1768, 21410, 265306, 3351086, 42195634, 529992314, 6659762642, 83778337524, 1053822365410, 13250382610758, 166607568124526, 2095232432433472, 26349301348673676, 331342826243559342, 4166639480874835776 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A237904
LINKS
EXAMPLE
Some solutions for n=2
..2..1..3....2..1..0....3..1..3....0..3..2....0..2..1....1..2..2....3..1..0
..2..3..2....0..3..1....1..0..2....3..1..0....1..0..2....2..1..3....1..3..3
..1..3..3....3..1..3....1..2..1....1..3..0....0..3..1....1..3..1....2..1..2
CROSSREFS
Sequence in context: A031540 A135795 A206201 * A221118 A155023 A176478
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 15 2014
STATUS
approved

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Last modified February 23 18:28 EST 2024. Contains 370283 sequences. (Running on oeis4.)