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A183748
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T(n,k) = number of (n+1) X (k+1) 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4.
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10
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19, 147, 147, 1041, 2553, 1041, 10231, 55857, 55857, 10231, 76355, 1389521, 3631179, 1389521, 76355, 639129, 33587307, 263234281, 263234281, 33587307, 639129, 5262685, 829488619, 19216153673, 55212617129, 19216153673, 829488619, 5262685
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OFFSET
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1,1
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COMMENTS
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Table starts
.........19.............147.................1041...................10231
........147............2553................55857.................1389521
.......1041...........55857..............3631179...............263234281
......10231.........1389521............263234281.............55212617129
......76355........33587307..........19216153673..........12024860660055
.....639129.......829488619........1426003404195........2669694620697299
....5262685.....20777533329......107098914678533......600788747889666009
...45272931....526362000253.....8126407481779133...136582348832416596017
..382928623..13427566678795...621298001439642413.31294543292138683447483
.3284527183.344521962594233.47785646470869878477
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LINKS
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EXAMPLE
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Some solutions for 4 X 3:
..1..1..2....2..2..2....0..1..2....0..0..2....2..1..1....2..1..2....2..1..1
..0..2..1....2..0..0....1..0..1....1..0..0....2..0..1....1..0..2....1..2..0
..1..0..2....2..0..0....1..2..0....1..2..2....2..0..1....0..0..2....2..0..2
..0..0..2....1..2..0....1..2..1....2..0..2....1..2..1....2..2..0....1..0..1
...
...E..P.......P..E.......M..E.......M..M.......P..M.......E..P.......P..E...
...M..P.......E..M.......E..M.......E..E.......E..M.......M..E.......P..E...
...M..E.......P..M.......P..P.......P..P.......P..E.......E..E.......M..M...
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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