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A184773
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T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock singular
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10
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64, 424, 424, 2248, 8272, 2248, 13096, 108496, 108496, 13096, 73288, 1792144, 1967440, 1792144, 73288, 417256, 27993232, 62051344, 62051344, 27993232, 417256, 2358280, 454774672, 1444491280, 4975179472, 1444491280, 454774672, 2358280
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OFFSET
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1,1
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COMMENTS
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Table starts
........64............424..............2248.................13096
.......424...........8272............108496...............1792144
......2248.........108496...........1967440..............62051344
.....13096........1792144..........62051344............4975179472
.....73288.......27993232........1444491280..........267277851856
....417256......454774672.......39939558160........18492329456080
...2358280.....7339536784.....1005763454224......1156853256240592
..13370536...119205236368....26695990774288.....77441892454241488
..75704776..1934859805840...688562611427344...5064538742140130512
.428889448.31437977902480.18047210235975952.336992694113719404496
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..127
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EXAMPLE
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Some solutions for 4X3
..1..0..3....2..0..3....2..2..0....1..2..2....0..0..1....2..2..1....2..1..1
..3..0..3....2..0..1....0..0..0....0..0..0....3..0..3....0..0..0....2..1..1
..2..0..2....0..0..3....3..0..0....3..0..1....3..0..2....2..0..1....0..0..0
..2..0..1....1..0..1....1..0..1....2..0..0....2..0..3....3..0..3....2..3..1
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CROSSREFS
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Sequence in context: A220976 A221598 A017618 * A184765 A188785 A188821
Adjacent sequences: A184770 A184771 A184772 * A184774 A184775 A184776
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KEYWORD
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nonn,tabl
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AUTHOR
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R. H. Hardin Jan 21 2011
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STATUS
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approved
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