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A234035 Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1 1
1007683, 296931707, 89286112307, 27534564039521, 8571344620976281, 2681894305722454547, 841477590887025128591, 264465644640358475720745, 83208706795033150569763777, 26200115092244394335505246627 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A234036
LINKS
EXAMPLE
Some solutions for n=1
..0..1..1..1..0..0..1..0....0..1..1..0..1..1..1..1....0..0..0..1..2..2..2..1
..0..0..1..0..0..0..0..1....1..0..1..1..1..1..1..1....0..0..1..1..1..2..2..1
CROSSREFS
Sequence in context: A213904 A059925 A065327 * A330519 A066354 A220289
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2013
STATUS
approved

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Last modified July 22 00:58 EDT 2024. Contains 374478 sequences. (Running on oeis4.)