A222585 Number of nX5 0..2 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order.
5, 59, 426, 11442, 111951, 3778560, 41768676, 1506610325, 17357088679, 636943229353, 7432232971076, 274815146069546, 3227773066527514, 119899193405842577, 1414159783426636818, 52710154832225023854
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..1..0..0..0....0..0..0..0..0....0..1..1..1..1....0..0..0..0..0 ..2..0..0..0..0....0..0..0..0..1....2..2..1..1..1....0..0..0..0..1 ..2..2..0..0..0....0..0..0..1..1....2..2..1..1..1....0..0..0..2..2
Links
- R. H. Hardin, Table of n, a(n) for n = 1..36
Comments