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

256, 3692, 3692, 53462, 177828, 53462, 773776, 8615618, 8615618, 773776, 11199932, 417088596, 1399352132, 417088596, 11199932, 162110182, 20193981078, 227037055176, 227037055176, 20193981078, 162110182, 2346415828, 977699814950

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

R. H. Hardin, Table of n, a(n) for n = 1..31

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

Adjacent sequences: A186197 A186198 A186199 * A186201 A186202 A186203

Keyword

nonn,tabl

Author

R. H. Hardin Feb 14 2011

Status

approved