A238925 Number of (n+1) X (3+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.

782, 13090, 611524, 22636472, 873385842, 33476445936, 1285018853980, 49292627209040, 1891392997403558, 72570437804912088, 2784363198852086944, 106832018867134432242, 4098974312510426370434, 157270670608326130217658

Offset

1,1

Comments

Column 3 of A238929.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Cf. A238929.

Sequence in context: A212947 A158398 A003914 * A045074 A204279 A158399

Adjacent sequences: A238922 A238923 A238924 * A238926 A238927 A238928

Keyword

nonn

Author

R. H. Hardin, Mar 07 2014

Status

approved