A217966 Number of 3Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..2 3Xn array.
27, 77, 835, 5415, 45043, 336927, 2675127, 20711527, 162237197, 1264467637, 9878676929, 77096409709, 601984698319, 4699383563019, 36689365591653, 286431238079077, 2236192425051273, 17457988805711127, 136295317877977821
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..0....1..1..1....2..0..0....2..2..2....0..0..0....2..0..2....1..0..0 ..1..0..1....2..0..0....2..0..1....2..2..1....2..0..1....0..0..2....0..0..1 ..1..2..2....0..0..1....2..0..0....1..1..1....2..1..1....0..0..2....1..0..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..32
Comments