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
Keywords
Examples
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
Links
- R. H. Hardin, Table of n, a(n) for n = 1..125
Comments