A249230 Number of length n+5 0..5 arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four

32070, 133270, 556024, 2325864, 9746100, 40881292, 171561694, 720180558, 3023733498, 12696930054, 53319729962, 223923082458, 940418845002, 3949603920592, 16587951608828, 69668528678688, 292606248989136

Offset

1,1

Comments

Column 5 of A249233

Links

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

Example

Some solutions for n=2
..1....3....1....4....0....4....1....4....0....3....1....3....0....4....0....4
..5....3....4....2....1....4....5....2....3....1....3....0....4....5....1....4
..5....1....1....0....5....5....5....4....0....4....2....2....1....3....1....1
..1....0....3....2....2....4....5....5....1....5....0....0....0....2....1....2
..1....4....0....1....4....1....4....5....5....4....0....0....3....4....1....0
..2....5....5....1....1....5....0....0....5....0....1....5....3....1....5....2
..5....1....3....4....0....4....1....0....2....2....5....1....5....2....4....2

Crossrefs

Sequence in context: A359343 A097282 A264499 * A250897 A366512 A146896

Adjacent sequences: A249227 A249228 A249229 * A249231 A249232 A249233

Keyword

nonn

Author

R. H. Hardin, Oct 23 2014

Status

approved