A214545 Number of 7X7X7 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and every horizontal row having the same average value.
2, 461465, 6042900, 292689331, 3442622120, 39956910039, 323258584792, 2193244910385
Offset: 1
Keywords
Examples
Some solutions for n=2 ........1..............1..............1..............1..............1 .......0.2............0.2............0.2............0.2............0.2 ......0.1.2..........0.2.1..........1.0.2..........1.0.2..........0.1.2 .....0.1.1.2........0.2.1.1........2.0.2.0........1.0.1.2........0.1.1.2 ....1.0.1.1.2......1.0.2.1.1......1.2.0.2.0......1.2.0.2.0......0.1.1.1.2 ...1.0.2.1.0.2....1.1.0.2.1.1....1.2.0.1.2.0....1.2.1.0.2.0....0.2.1.0.2.1 ..2.0.0.2.0.1.2..0.1.0.2.1.2.1..0.2.2.0.2.0.1..1.2.1.0.1.2.0..0.2.2.0.0.2.1
Comments