A205908 Number of (n+1)X8 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same

1112664, 128014116, 12813949461, 1250218771158, 120298113709833, 11531150817716439, 1103442692933402073, 105537470758266170052, 10091941018033991430363, 964991366887352523440874

Offset

1,1

Comments

Column 7 of A205909

Links

R. H. Hardin, Table of n, a(n) for n = 1..22

Example

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

Crossrefs

Sequence in context: A257937 A205735 A205916 * A258679 A324647 A245662

Adjacent sequences: A205905 A205906 A205907 * A205909 A205910 A205911

Keyword

nonn

Author

R. H. Hardin Feb 01 2012

Status

approved