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A184502 1/12 the number of (n+2)X6 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last 1
30024, 66822, 161097, 425814, 1315452, 4331259, 15153995, 58565527, 233542628, 958384599, 4189460597, 18476576859, 82379095826, 383160981423, 1781088725879, 8305119913347, 39878032210644, 190755038519986, 912250852488787 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A184505
LINKS
EXAMPLE
Some solutions with a(1,1)=0 for 4X6
..0..0..0..2..2..0....0..0..0..1..0..0....0..0..0..0..1..2....0..0..0..0..0..2
..1..2..2..2..2..2....1..0..2..0..0..2....0..1..2..0..0..0....1..0..1..0..1..0
..0..2..0..1..0..0....2..0..2..2..0..2....0..2..2..0..2..2....0..1..2..1..0..1
..2..2..0..0..0..0....0..0..0..1..0..0....2..0..2..2..1..0....1..1..0..1..1..2
CROSSREFS
Sequence in context: A233946 A234735 A106771 * A285655 A074969 A066765
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 16 2011
STATUS
approved

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Last modified April 24 14:32 EDT 2024. Contains 371960 sequences. (Running on oeis4.)