A248444 Number of length n+5 0..4 arrays with no three disjoint pairs in any consecutive six terms having the same sum

13500, 59480, 263212, 1166348, 5171484, 22934730, 101700684, 450991386, 2000009808, 8869712066, 39336467072, 174455791372, 773704708960, 3431349941260, 15217906257614, 67490867747734, 299319721502876

Offset

1,1

Comments

Column 4 of A248448

Links

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

Example

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

Crossrefs

Sequence in context: A234493 A029557 A115922 * A257149 A257156 A254738

Adjacent sequences: A248441 A248442 A248443 * A248445 A248446 A248447

Keyword

nonn

Author

R. H. Hardin, Oct 06 2014

Status

approved