A210084 Number of (n+1)X7 0..3 arrays containing all values 0..3 with every 2X2 subblock having one, three or four distinct values, and new values 0..3 introduced in row major order

1239185, 2860160370, 6412474476465, 14400521616297866, 32333381450807878715, 72599208478326114502304, 163009108891704227787040790, 366009150671326795521231043797, 821811105127510823800558776457203

Offset

1,1

Comments

Column 6 of A210086

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..1..2..2..1..0..0....0..0..1..2..0..3..3
..2..1..2..1..3..1..3....3..0..0..1..3..1..3....1..2..0..3..0..1..0
..3..1..3..3..0..1..0....3..1..2..0..0..2..1....2..0..3..1..3..2..3
..0..1..0..1..1..2..3....1..0..1..0..0..1..0....0..1..3..0..3..0..1
..3..0..3..1..1..3..0....2..3..2..1..2..0..3....0..2..2..3..1..0..2

Crossrefs

Sequence in context: A156113 A118900 A206019 * A212489 A290250 A251156

Adjacent sequences: A210081 A210082 A210083 * A210085 A210086 A210087

Keyword

nonn

Author

R. H. Hardin Mar 17 2012

Status

approved