A238285 Number of (n+1)X(5+1) 0..3 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors.
422, 105862, 12926271, 1058583000, 87389474502, 8155057418133, 790756782942944, 75089860262272452, 7004416705370946171, 653041012099727601632, 61178043367269083858961, 5741681272912802081072135
Offset: 1
Keywords
Examples
Some solutions for n=2 ..2..2..2..3..3..3....3..3..2..0..2..2....0..0..0..2..2..0....2..2..1..1..0..0 ..0..2..2..1..1..1....3..3..1..0..1..1....0..0..0..2..2..0....0..1..1..1..0..0 ..0..3..3..1..1..1....3..3..1..1..1..1....0..2..3..3..2..2....0..1..3..3..3..2
Links
- R. H. Hardin, Table of n, a(n) for n = 1..162
Comments