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 A205199 Number of (n+1)X(n+1) 0..2 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards 0
 81, 6138, 1649549, 1099532113, 2353566223899, 13538086185801579, 239515966345579392136 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A205206 LINKS EXAMPLE Some solutions for n=4 ..0..2..2..2..0....0..2..1..2..2....2..1..1..2..2....2..0..0..1..1 ..1..2..0..2..2....2..2..1..2..1....1..0..2..1..2....2..0..1..2..1 ..2..0..2..2..2....1..1..2..2..2....2..1..2..2..2....2..0..0..1..2 ..2..2..0..2..2....2..2..2..1..2....0..2..1..2..1....2..0..1..2..2 ..0..2..2..2..2....1..1..2..2..2....2..1..2..2..2....2..0..2..2..2 CROSSREFS Sequence in context: A212706 A036354 A205887 * A178513 A016948 A206993 Adjacent sequences:  A205196 A205197 A205198 * A205200 A205201 A205202 KEYWORD nonn AUTHOR R. H. Hardin Jan 23 2012 STATUS approved

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