A203029 Number of nX5 0..3 arrays with row sums equal and column sums unequal to adjacent columns

324, 57100, 8536230, 1267847188, 189412482924, 28369308592126, 4274880689220682, 646748880898087204, 98179070181179827284

Offset

1,1

Comments

Column 5 of A203031

Links

Table of n, a(n) for n=1..9.

Example

Some.solutions.for.n=5
..3..1..1..3..3....1..2..2..2..1....3..1..3..2..0....2..0..0..2..2
..0..2..3..3..3....2..3..3..0..0....2..2..3..0..2....1..3..0..0..2
..0..2..3..3..3....3..0..0..2..3....1..3..3..2..0....1..0..0..3..2
..3..1..1..3..3....3..3..2..0..0....0..3..2..1..3....3..2..0..1..0
..2..3..3..2..1....0..3..2..1..2....2..3..3..0..1....0..1..2..2..1

Crossrefs

Sequence in context: A204082 A088216 A121001 * A298101 A209044 A209016

Adjacent sequences: A203026 A203027 A203028 * A203030 A203031 A203032

Keyword

nonn

Author

R. H. Hardin Dec 27 2011

Status

approved