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

30024, 66822, 161097, 425814, 1315452, 4331259, 15153995, 58565527, 233542628, 958384599, 4189460597, 18476576859, 82379095826, 383160981423, 1781088725879, 8305119913347, 39878032210644, 190755038519986, 912250852488787

Offset

1,1

Comments

Column 4 of A184505

Links

R. H. Hardin, Table of n, a(n) for n = 1..25

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

Adjacent sequences: A184499 A184500 A184501 * A184503 A184504 A184505

Keyword

nonn

Author

R. H. Hardin Jan 16 2011

Status

approved