A248998 Number of length n+4 0..5 arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two

6450, 32398, 163112, 822348, 4149708, 20952218, 105819690, 534502810, 2700047696, 13640156760, 68910290082, 348142872600, 1758874033678, 8886170481316, 44894831402844, 226818881138008, 1145942126329774

Offset

1,1

Comments

Column 5 of A249001

Links

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

Example

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

Crossrefs

Sequence in context: A236092 A074978 A105377 * A256090 A067928 A166223

Adjacent sequences: A248995 A248996 A248997 * A248999 A249000 A249001

Keyword

nonn

Author

R. H. Hardin, Oct 18 2014

Status

approved