A240705 Number of nX7 0..3 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order

122, 72941, 41780245, 24015292771, 13800783910238, 7931008306049886, 4557765530585124406, 2619242847203461158436, 1505218413737714273769484, 865014295835177796865948611, 497103758404197734334942441697

Offset

1,1

Comments

Column 7 of A240706

Links

R. H. Hardin, Table of n, a(n) for n = 1..19

Example

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

Crossrefs

Sequence in context: A198714 A199653 A241112 * A208320 A208390 A282274

Adjacent sequences: A240702 A240703 A240704 * A240706 A240707 A240708

Keyword

nonn

Author

R. H. Hardin, Apr 10 2014

Status

approved