A198707 - OEIS

A198707

Number of nX7 0..4 arrays with values 0..4 introduced in row major order and each element equal to at least one horizontal or vertical neighbor

11, 27422, 77622801, 316137386807, 1259339424693241

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 7 of A198708

LINKS

EXAMPLE

Some solutions with all values 0 to 4 for n=3

..0..0..1..1..2..2..3....0..0..1..2..0..3..3....0..0..1..1..2..1..1

..0..0..0..3..4..4..3....0..0..1..2..0..0..4....0..0..0..2..2..3..3

..0..0..3..3..3..0..0....0..0..1..2..0..0..4....0..0..0..0..4..4..4

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved