A241076 Number of nX5 0..2 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..2 introduced in row major order

8, 131, 2333, 47974, 1086791, 25619209, 619056332, 15142087661, 372666202588, 9201018090832, 227546861531239, 5632386482092501, 139484647431710716, 3455245747717097780, 85604871675718095455, 2121075807126096432537

Offset

1,1

Comments

Column 5 of A241078

Links

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

Example

Some solutions for n=4
..0..0..0..0..0....0..1..0..2..1....0..1..0..2..1....0..1..0..1..2
..0..1..2..0..0....1..0..1..0..2....1..2..1..0..2....1..0..1..2..0
..0..0..0..0..1....0..2..0..2..0....2..1..2..1..0....2..2..0..1..2
..2..0..0..2..0....1..0..1..0..2....1..0..1..0..1....2..2..1..0..1

Crossrefs

Sequence in context: A240630 A187609 A365058 * A349683 A222429 A365340

Adjacent sequences: A241073 A241074 A241075 * A241077 A241078 A241079

Keyword

nonn

Author

R. H. Hardin, Apr 15 2014

Status

approved