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A226714
Number of nX5 (-1,0,1) arrays of determinants of 2X2 subblocks of some (n+1)X6 binary array
1
181, 13691, 539703, 20577215, 833949273, 34404755041, 1412775737517, 57827217804729, 2366890987279579, 96919708660909729, 3969044355415426525, 162532913694902119493, 6655600103815564563993, 272542304676407531357487
OFFSET
1,1
COMMENTS
Column 5 of A226717
LINKS
EXAMPLE
Some solutions for n=3
.-1.-1..1..1.-1...-1..0..0..0..1...-1..0..0..0..1...-1..0.-1..0..1
..1..1.-1.-1..1....1..0.-1..0.-1....0..0..1.-1..0....1..0..1..0..0
.-1..0..0..1.-1...-1..1..0.-1..1....0..1..0.-1..1....0..0.-1..1..0
CROSSREFS
Sequence in context: A262141 A212938 A070250 * A083979 A179408 A224991
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 15 2013
STATUS
approved