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A187599 Number of (n+2)X5 0..2 arrays with no 2X2 subblock sum equal to any diagonal or antidiagonal neighbor 2X2 subblock sum 1
4034228, 292759792, 21834817212, 1616392693134, 119535001467744, 8847026088947870, 654776681640016806, 48458293039460233184, 3586264824879128318610, 265411874452236154181166 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A187600
LINKS
EXAMPLE
Some solutions for 4X5
..0..0..2..0..2....0..0..0..2..2....0..0..1..0..1....0..0..1..1..0
..0..0..0..2..0....0..0..2..1..1....0..0..2..0..1....0..0..2..2..0
..0..0..2..2..2....0..0..0..0..1....0..0..2..2..1....0..0..0..2..1
..0..0..2..1..0....0..0..2..2..2....0..0..1..2..2....0..0..2..0..1
CROSSREFS
Sequence in context: A109207 A104930 A251614 * A246470 A231614 A191346
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 11 2011
STATUS
approved

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Last modified April 21 01:42 EDT 2024. Contains 371850 sequences. (Running on oeis4.)