A250863 Number of (n+2)X(3+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column

64000000, 4000000000, 250000000000, 15625000000000, 382812500000000, 9378906250000000, 229783203125000000, 3152625546875000000, 43254022503125000000, 593445188742875000000, 5469190859454336000000

Offset

1,1

Comments

Column 3 of A250868

Links

R. H. Hardin, Table of n, a(n) for n = 1..80

Example

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

Crossrefs

Sequence in context: A203932 A223288 A223485 * A348276 A164725 A164726

Adjacent sequences: A250860 A250861 A250862 * A250864 A250865 A250866

Keyword

nonn

Author

R. H. Hardin, Nov 28 2014

Status

approved