A184505 T(n,k)=1/12 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last

252, 1248, 1248, 6132, 4546, 6132, 30024, 17077, 17077, 30024, 149112, 66822, 50590, 66822, 149112, 736200, 281876, 161097, 161097, 281876, 736200, 3618864, 1216766, 579771, 425814, 579771, 1216766, 3618864, 17994960, 5366312, 2185733, 1315452

Offset

1,1

Comments

Table starts

.......252......1248.....6132....30024...149112...736200..3618864.17994960

......1248......4546....17077....66822...281876..1216766..5366312.24695528

......6132.....17077....50590...161097...579771..2185733..8600335.36366658

.....30024.....66822...161097...425814..1315452..4331259.15153995.58565527

....149112....281876...579771..1315452..3530858.10185105

....736200...1216766..2185733..4331259.10185105

...3618864...5366312..8600335.15153995

..17994960..24695528.36366658

..88970832.114505124

.437998752

Links

R. H. Hardin, Table of n, a(n) for n = 1..59

Example

Some solutions with a(1,1)=0 for 5X4
..0..0..0..2....0..0..1..1....0..0..1..0....0..0..1..2....0..0..1..0
..1..1..1..1....0..0..1..1....1..0..0..1....2..2..2..0....0..1..0..0
..2..1..1..0....1..2..0..1....1..0..2..1....0..0..0..0....2..1..0..2
..2..0..2..0....1..1..1..0....0..0..1..0....0..1..0..2....1..1..1..1
..1..1..1..1....0..1..0..1....1..0..0..1....2..1..1..0....2..1..2..2

Crossrefs

Sequence in context: A200884 A275316 A275315 * A184499 A154045 A364687

Adjacent sequences: A184502 A184503 A184504 * A184506 A184507 A184508

Keyword

nonn,tabl

Author

R. H. Hardin Jan 16 2011

Status

approved