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A185921 Number of (n+1)X4 0..3 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant 1
49342, 7232034, 1079255234, 160170012852, 23757227154988, 3524972742682648, 522964399238602036, 77588547894909110228, 11511228098599228957442, 1707835005432644412456998, 253378710999044741081140368 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A185923
LINKS
EXAMPLE
Some solutions for 3X4
..0..1..2..2....0..3..2..2....0..1..0..0....0..1..0..2....0..2..3..1
..2..0..1..2....1..0..3..0....3..0..2..0....1..0..2..0....2..2..3..0
..0..3..1..3....0..3..0..3....0..3..1..1....0..1..0..3....0..1..2..1
CROSSREFS
Sequence in context: A253372 A204227 A205279 * A251912 A251910 A235172
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2011
STATUS
approved

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)