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A183966 Number of (n+1)X5 0..2 arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one 1
15759, 459821, 14219749, 492135291, 17133244697, 615149254565, 22112885527475, 802997664018905, 29161626546111469, 1062496257469946027, 38709026775013231021, 1411769537432056237501, 51486256059203227188623 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A183971

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..100

EXAMPLE

Some solutions for 3X5

..0..1..0..2..1....0..1..0..2..1....0..2..0..2..0....0..1..1..1..2

..1..2..2..1..2....2..2..1..1..1....1..1..0..1..0....2..1..2..0..1

..1..1..1..2..2....0..0..2..1..1....0..2..1..1..0....2..0..2..1..2

...

...4..5..5..6.......5..4..4..5.......4..3..3..3.......4..5..4..4...

...5..6..6..7.......4..5..5..4.......4..4..3..2.......5..5..5..4...

CROSSREFS

Sequence in context: A205289 A205897 A190834 * A187031 A233642 A246042

Adjacent sequences:  A183963 A183964 A183965 * A183967 A183968 A183969

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 08 2011

STATUS

approved

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Last modified September 24 15:40 EDT 2021. Contains 347643 sequences. (Running on oeis4.)