A249191 Number of length n+6 0..2 arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four.

1792, 4586, 11874, 30876, 80354, 208876, 541624, 1400008, 3618986, 9363890, 24245852, 62802512, 162682626, 421350312, 1091065338, 2824952300, 7314373948, 18939413676, 49042889408, 126997380012, 328860987784, 851576753420

Offset: 1

Author

R. H. Hardin, Oct 23 2014

Keywords

• nonn

Comments

Column 2 of A249197

Examples

			Some solutions for n=5
..0....0....1....2....1....2....2....2....2....1....2....1....2....2....0....0
..0....0....0....1....2....1....1....2....0....1....0....0....0....0....2....1
..1....1....1....0....2....1....2....1....2....1....2....1....2....0....0....2
..1....1....2....2....1....2....2....1....0....0....1....1....2....0....0....2
..0....2....2....2....2....1....0....0....2....2....1....0....0....0....2....1
..0....0....2....2....2....2....1....1....1....2....2....1....0....2....2....0
..1....1....0....2....0....1....0....2....1....2....2....1....2....1....2....2
..1....1....2....1....1....2....0....2....2....1....2....0....2....1....0....1
..2....2....1....1....0....0....1....2....0....0....2....1....2....1....2....1
..0....2....1....0....2....2....1....2....2....2....0....0....2....1....0....2
..1....2....1....0....2....2....0....0....2....1....1....0....2....2....2....2
		

Links

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