A221385 Number of nX5 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, with no 2-loops and with no occupancy greater than 2

0, 38, 1450, 52320, 1829388, 63358088, 2188482014, 75538637214, 2606815065698, 89955626884315, 3104132404604618, 107115039737573319, 3696240367391216656, 127546876795624543082, 4401284212854919660438, 151875943167053941347552

Offset

1,2

Comments

Column 5 of A221388

Links

R. H. Hardin, Table of n, a(n) for n = 1..20

Example

Some solutions for n=3
..0..2..0..1..0....0..2..2..1..0....0..2..1..2..1....0..1..2..1..0
..1..1..1..1..1....0..1..2..1..0....0..0..1..2..1....0..2..2..2..1
..1..2..2..2..0....1..2..1..2..0....1..2..1..1..0....0..2..1..1..0

Crossrefs

Sequence in context: A078987 A009982 A041685 * A158766 A217224 A272036

Adjacent sequences: A221382 A221383 A221384 * A221386 A221387 A221388

Keyword

nonn

Author

R. H. Hardin Jan 14 2013

Status

approved