A234035 Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1

1007683, 296931707, 89286112307, 27534564039521, 8571344620976281, 2681894305722454547, 841477590887025128591, 264465644640358475720745, 83208706795033150569763777, 26200115092244394335505246627

Offset

1,1

Comments

Column 7 of A234036

Links

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

Example

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

Crossrefs

Sequence in context: A213904 A059925 A065327 * A330519 A066354 A220289

Adjacent sequences: A234032 A234033 A234034 * A234036 A234037 A234038

Keyword

nonn

Author

R. H. Hardin, Dec 18 2013

Status

approved