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A244693
Number of length n+4 0..n arrays with no five consecutive elements with pattern ababa or abbba (with a!=b) and new values 0..n introduced in 0..n order
1
14, 111, 661, 3582, 19309, 107995, 636642, 3968291, 26107708, 180739086, 1312462869, 9968432106, 78988145772, 651486251644, 5581801486248, 49587865220286, 456026409915745, 4334757419499766, 42530730236808465
OFFSET
1,1
COMMENTS
Diagonal of A244702
LINKS
EXAMPLE
Some solutions for n=6
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..1....1....1....1....0....0....0....0....1....0....1....1....1....1....1....1
..2....1....2....2....1....1....1....1....2....1....1....2....1....2....2....0
..1....0....1....3....1....2....2....2....2....2....2....1....2....1....0....2
..3....2....0....0....1....2....3....1....3....1....3....3....1....0....3....3
..4....0....3....3....2....3....4....3....3....0....4....0....1....2....1....1
..5....3....1....3....3....1....3....0....4....2....5....3....2....1....4....1
..1....2....4....2....0....1....3....0....0....2....1....4....1....2....2....4
..1....1....2....0....3....4....2....1....1....2....2....4....1....2....5....0
..3....3....2....1....2....5....4....1....0....2....6....5....1....0....4....1
CROSSREFS
Sequence in context: A036395 A271561 A215868 * A039630 A234800 A213348
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 04 2014
STATUS
approved