A249324 Number of length 5+6 0..n arrays with no seven consecutive terms having six times any element equal to the sum of the remaining six

1952, 80354, 2362656, 27195324, 210466508, 1186724138, 5381037962, 20316706618, 66659863880, 195061607138, 519558232566, 1278690377734, 2941658240282, 6389892794294, 13191941748692, 26046859298438

Offset

1,1

Comments

Row 5 of A249319

Links

Table of n, a(n) for n=1..16.

Example

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

Crossrefs

Sequence in context: A252062 A251843 A249202 * A249217 A155809 A116211

Adjacent sequences: A249321 A249322 A249323 * A249325 A249326 A249327

Keyword

nonn

Author

R. H. Hardin, Oct 25 2014

Status

approved