A232153 Number of 5Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally

1, 5487, 1270511, 177194147, 28299613241, 4807617578085, 804701292885649, 133859466962895155, 22297760698861120411, 3716720647389076142847, 619441923623682650503365, 103231307533114080430201701

Offset

1,2

Comments

Row 5 of A232149

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=2
..0..0....2..1....2..0....1..2....2..2....0..2....1..2....1..2....2..1....2..2
..1..1....0..1....1..2....0..2....2..1....2..1....2..1....1..1....2..0....1..1
..2..2....0..2....1..0....2..1....1..0....0..2....1..2....2..2....1..2....0..2
..1..2....2..1....0..0....1..0....1..2....0..1....2..1....1..1....1..1....1..1
..1..0....1..2....2..1....2..2....1..2....2..1....0..1....1..2....2..2....2..2

Crossrefs

Sequence in context: A045108 A251962 A251956 * A203791 A137816 A138760

Adjacent sequences: A232150 A232151 A232152 * A232154 A232155 A232156

Keyword

nonn

Author

R. H. Hardin, Nov 19 2013

Status

approved