A186532 Number of (n+1)X6 0..2 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant

203346, 30642746, 5043895240, 819481009820, 132204817900858, 21417901169134908, 3465746156847016348, 561052248760733641430, 90815839010997438932188, 14700861195676306172365594

Offset

1,1

Comments

Column 5 of A186536

Links

R. H. Hardin, Table of n, a(n) for n = 1..25

Example

Some solutions for 3X6
..0..1..2..2..2..1....0..2..0..0..2..2....0..2..0..2..0..0....0..2..0..2..1..0
..1..0..2..2..0..2....1..0..2..2..0..2....1..0..1..1..1..2....1..0..2..1..2..2
..0..1..2..0..2..1....0..1..0..2..1..2....0..1..2..2..0..1....0..1..0..0..2..1

Crossrefs

Sequence in context: A345662 A290505 A205891 * A184455 A369898 A210017

Adjacent sequences: A186529 A186530 A186531 * A186533 A186534 A186535

Keyword

nonn

Author

R. H. Hardin Feb 23 2011

Status

approved