A249323 Number of length 4+6 0..n arrays with no seven consecutive terms having six times any element equal to the sum of the remaining six

984, 30876, 658388, 6089486, 38980312, 187202568, 736430454, 2455968578, 7211928920, 19092963676, 46417804494, 105047376716, 223635400862, 451927249194, 872176194366, 1616599670258

Offset

1,1

Comments

Row 4 of A249319

Links

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

Example

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

Crossrefs

Sequence in context: A345791 A268590 A249201 * A249216 A289063 A289061

Adjacent sequences: A249320 A249321 A249322 * A249324 A249325 A249326

Keyword

nonn

Author

R. H. Hardin, Oct 25 2014

Status

approved