A214389 Number of 7X7X7 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and no element equal to its horizontal neighbors.
128, 5247716, 3183854216, 405643523920, 21313909250888, 623154633711990, 11944886965820440, 166092394781968922, 1792145757381897992
Offset: 1
Keywords
Examples
Some solutions for n=3 ........0..............0..............0..............0..............0 .......0.1............0.1............0.1............0.1............0.1 ......1.0.1..........1.0.1..........1.0.1..........1.0.1..........1.0.1 .....1.0.1.0........1.0.1.0........1.0.1.0........1.0.1.0........1.0.1.0 ....1.0.1.2.0......1.0.1.0.1......1.0.1.0.2......0.1.0.1.0......1.0.1.3.0 ...1.0.2.0.2.0....2.1.0.2.0.1....1.0.2.0.2.3....0.3.0.1.2.0....1.3.0.3.2.0 ..1.0.3.0.2.0.2..3.1.0.1.3.0.1..1.0.1.3.0.3.1..2.0.3.0.2.0.3..0.2.3.0.3.0.1
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