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A186200 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum 4
256, 3692, 3692, 53462, 177828, 53462, 773776, 8615618, 8615618, 773776, 11199932, 417088596, 1399352132, 417088596, 11199932, 162110182, 20193981078, 227037055176, 227037055176, 20193981078, 162110182, 2346415828, 977699814950 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
........256.........3692..........53462..........773776.......11199932
.......3692.......177828........8615618.......417088596....20193981078
......53462......8615618.....1399352132....227037055176.36842307067194
.....773776....417088596...227037055176.123423436053052
...11199932..20193981078.36842307067194
..162110182.977699814950
.2346415828
LINKS
EXAMPLE
Some solutions for 4X3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..2....2..0..0....3..0..2....2..1..2....3..0..3....0..0..3....0..2..2
..3..1..0....1..2..0....0..0..2....0..2..2....3..3..2....0..3..3....0..3..0
..3..2..1....2..3..0....1..1..1....3..0..2....1..2..1....1..1..3....2..0..0
CROSSREFS
Sequence in context: A185919 A259320 A247931 * A186197 A231842 A186558
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 14 2011
STATUS
approved

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Last modified April 22 02:54 EDT 2024. Contains 371887 sequences. (Running on oeis4.)