A222929 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every row and column least squares fitting to a positive slope straight line

6, 36, 36, 340, 864, 340, 1914, 39780, 39780, 1914, 13850, 872784, 10520570, 872784, 13850, 79266, 27173700, 1100843406, 1100843406, 27173700, 79266, 523133, 607177560, 176146081651, 440499731904, 176146081651, 607177560, 523133

Offset

1,1

Comments

Table starts

........6...........36..............340...............1914..............13850

.......36..........864............39780.............872784...........27173700

......340........39780.........10520570.........1100843406.......176146081651

.....1914.......872784.......1100843406.......440499731904....295553959528086

....13850.....27173700.....176146081651....295553959528086.909147509028474280

....79266....607177560...18796559253849.119948506672674960

...523133..16686373301.2593203089087409

..3016164.377744379360

.19260414

Links

R. H. Hardin, Table of n, a(n) for n = 1..49

Example

Some solutions for n=2 k=4
..0..0..0..0..2....0..0..0..0..2....0..0..0..0..1....0..0..0..0..2
..2..1..2..0..3....0..2..0..3..1....0..0..1..3..3....1..2..3..2..3
..1..1..3..2..3....1..1..3..1..3....2..1..3..2..3....2..1..1..1..3

Crossrefs

Sequence in context: A070401 A330681 A070400 * A222784 A043063 A348384

Adjacent sequences: A222926 A222927 A222928 * A222930 A222931 A222932

Keyword

nonn,tabl

Author

R. H. Hardin Mar 09 2013

Status

approved