A203251 Number of n X 4 0..3 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other.

116, 776, 18440, 753168, 50071584

Offset

1,1

Comments

Column 4 of A203252.

Links

Table of n, a(n) for n=1..5.

Example

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

Crossrefs

Cf. A203252.

Sequence in context: A184069 A096925 A097231 * A238924 A076044 A241941

Adjacent sequences: A203248 A203249 A203250 * A203252 A203253 A203254

Keyword

nonn,changed

Author

R. H. Hardin, Dec 30 2011

Status

approved