A249198 Number of length 1+6 0..n 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

126, 1792, 14126, 66948, 240870, 708106, 1809164, 4132884, 8660148, 16906050, 31160178, 54655272, 92036364, 149466688, 235339342, 360504886, 539097832, 788739364, 1132032790, 1596244230, 2215426766, 3030421562, 4090720256

Offset

1,1

Comments

Row 1 of A249197

Links

R. H. Hardin, Table of n, a(n) for n = 1..39

Example

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

Crossrefs

Sequence in context: A249197 A249212 A249319 * A249213 A249320 A267628

Adjacent sequences: A249195 A249196 A249197 * A249199 A249200 A249201

Keyword

nonn

Author

R. H. Hardin, Oct 23 2014

Status

approved