A186177 Number of (n+2)X8 0..5 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order

140871930232, 16059530994398, 995828085723859, 42174821764604242, 1345005095452611398, 34184079614729409659, 719176668433423037034, 12873752982804494965778, 200226675186485305381447

Offset

1,1

Comments

Column 6 of A186180

Links

R. H. Hardin, Table of n, a(n) for n = 1..125

Example

Some solutions for 4X8
..0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..3
..0..0..0..0..0..0..1..5....0..0..0..0..0..0..1..4....0..0..0..0..0..0..1..3
..0..0..0..0..0..0..3..5....0..0..0..0..0..0..5..1....0..0..0..0..0..0..4..2
..0..0..0..0..0..3..4..4....0..0..0..0..0..3..0..2....0..0..0..0..0..3..2..3

Crossrefs

Sequence in context: A172793 A017542 A320722 * A104832 A290122 A234379

Adjacent sequences: A186174 A186175 A186176 * A186178 A186179 A186180

Keyword

nonn

Author

R. H. Hardin Feb 13 2011

Status

approved