A200774 Number of nX5 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

9, 37, 77, 1368, 7725, 13422, 194535, 980702, 1678693, 24878620, 121356170, 196370947, 2842268794, 13774086909, 22130326801, 315828107827, 1502885737864, 2383360502586, 33977970254723, 160775285120155, 252353156923816

Offset

1,1

Comments

Column 5 of A200777

Links

R. H. Hardin, Table of n, a(n) for n = 1..27

Example

Some solutions for n=4
..0..0..0..1..1....0..0..0..0..2....0..0..0..0..1....0..0..0..0..1
..0..0..2..1..2....0..1..1..2..2....0..1..1..2..1....0..0..0..1..2
..0..0..1..1..2....0..2..1..1..2....0..1..1..2..2....1..1..2..2..2
..1..2..2..2..2....0..1..1..1..2....1..2..2..2..2....1..1..2..2..2

Crossrefs

Sequence in context: A042021 A137184 A153244 * A273220 A022276 A171443

Adjacent sequences: A200771 A200772 A200773 * A200775 A200776 A200777

Keyword

nonn

Author

R. H. Hardin Nov 22 2011

Status

approved