A210163 Number of (n+1)X7 0..3 arrays with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order

5608216, 46257884813, 381562168006676, 3147440073860364317, 25962633684406082924528, 214160856104080731185022846, 1766572383518778985494433173997, 14572121378241022983911998699738096

Offset

1,1

Comments

Column 6 of A210165

Links

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

Example

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

Crossrefs

Sequence in context: A069316 A022210 A057882 * A114685 A234174 A258536

Adjacent sequences: A210160 A210161 A210162 * A210164 A210165 A210166

Keyword

nonn

Author

R. H. Hardin Mar 18 2012

Status

approved