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A185518
Number of (n+1)X7 0..2 arrays with every 2X2 subblock singular
1
46303, 9856209, 541370505, 65652458491, 5157904182519, 525819969687473, 46861672135881249, 4536327635584899147, 421714260065729709743, 40230435280135273840049, 3792362066556802880530649
OFFSET
1,1
COMMENTS
Column 6 of A185521
LINKS
EXAMPLE
Some solutions for 3X7
..0..0..0..0..0..0..2....0..0..2..1..0..0..1....0..0..2..2..0..1..0
..0..2..0..1..2..0..2....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..0..0..1..2..0..2....0..0..0..0..0..1..0....0..0..1..2..1..1..0
CROSSREFS
Sequence in context: A190882 A251278 A202897 * A230237 A175170 A204495
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 29 2011
STATUS
approved