A250569 Number of (n+2) X (3+2) 0..1 arrays with nondecreasing maximum of every three consecutive values in every row and column.
21952, 463006, 9583440, 194160522, 3844025984, 75733658665, 1486288137310, 29093999130722, 568992945964954, 11121085195129708, 217289681422138350, 4244862050968522642, 82917728735945546896, 1619605399294091536443
Offset: 1
Keywords
Examples
Some solutions for n=1 ..1..0..1..0..0....0..1..0..0..1....1..1..1..0..1....1..1..0..1..1 ..1..1..1..0..1....1..1..0..1..1....1..0..0..1..1....0..1..0..1..0 ..1..1..1..0..1....0..0..0..1..1....1..1..0..0..1....0..0..0..1..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Cf. A250574.
Comments