A183854 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others

35, 107, 107, 328, 429, 328, 1011, 1766, 1766, 1011, 3117, 7453, 9557, 7453, 3117, 9650, 31767, 54724, 54724, 31767, 9650, 29863, 136894, 310856, 448665, 310856, 136894, 29863, 92771, 591211, 1846987, 3608259, 3608259, 1846987, 591211, 92771

Offset

1,1

Comments

Table starts

.....35......107........328.........1011...........3117.............9650

....107......429.......1766.........7453..........31767...........136894

....328.....1766.......9557........54724.........310856..........1846987

...1011.....7453......54724.......448665........3608259.........31362526

...3117....31767.....310856......3608259.......40482339........515409762

...9650...136894....1846987.....31362526......515409762.......9808052813

..29863...591211...10793131....265093125.....6355114021.....181527680767

..92771..2568541...65461226...2373353909....84948077733....3637653147102

.287976.11149598..388802189..20638236376..1105084856456...71400670236377

.897247.48599949.2384144524.187666794149.15097065676125.1460353019415072

Links

R. H. Hardin, Table of n, a(n) for n = 1..263

Example

Some solutions for 4X3
..0..2..2....1..2..1....0..2..0....2..2..0....3..1..2....3..1..1....1..2..3
..2..0..2....1..3..3....0..2..0....0..0..2....2..3..1....2..3..2....1..3..1
..2..2..0....1..2..1....2..2..0....2..2..2....3..1..2....1..1..3....1..2..1
..0..0..2....3..3..3....2..0..2....0..0..0....2..3..1....3..2..1....3..3..1

Crossrefs

Sequence in context: A010085 A033852 A241610 * A156332 A110832 A251269

Adjacent sequences: A183851 A183852 A183853 * A183855 A183856 A183857

Keyword

nonn,tabl

Author

R. H. Hardin Jan 07 2011

Status

approved