A200707 Number of nX1 0..7 arrays with every row and column running average nondecreasing rightwards and downwards.
8, 36, 154, 638, 2583, 10283, 40437, 157577, 609826, 2347039, 8992543, 34325682, 130610876, 495631814, 1876372121, 7089015135, 26734090034, 100657714409, 378448861732, 1421055725676, 5329855712676, 19969617365137, 74751054819223
Offset: 1
Keywords
Examples
Some solutions for n=3 ..2....0....1....0....1....1....1....3....1....0....1....1....0....2....1....4 ..2....1....2....2....7....5....3....5....1....3....1....6....7....3....5....7 ..3....1....3....7....5....4....4....4....6....6....5....5....7....5....3....6
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments