A205922 Number of (n+1)X5 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one, and every 2X2 determinant nonzero

9144, 104311, 583542, 7177505, 40724536, 535691452, 3047588270, 42247423238, 240169745414, 3447138724818, 19567338424076, 286774605083392, 1625846521511432, 24111794299224170, 136592525133890114

Offset

1,1

Comments

Column 4 of A205926

Links

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

Example

Some solutions for n=4
..1..0..1..3..2....2..3..3..3..2....1..3..3..1..2....1..0..1..2..1
..1..1..1..2..2....2..2..3..2..2....2..3..1..1..1....1..1..1..1..1
..1..0..1..1..2....2..3..3..3..0....3..3..3..1..3....1..2..1..2..1
..1..1..1..2..2....3..3..2..3..3....3..2..3..3..3....1..1..1..1..1
..3..0..1..1..2....3..0..2..2..3....3..3..3..2..3....1..3..0..1..2

Crossrefs

Sequence in context: A251376 A253031 A093213 * A256766 A210140 A232759

Adjacent sequences: A205919 A205920 A205921 * A205923 A205924 A205925

Keyword

nonn

Author

R. H. Hardin Feb 01 2012

Status

approved