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

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

R. H. Hardin, Table of n, a(n) for n = 1..47

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

Adjacent sequences: A244690 A244691 A244692 * A244694 A244695 A244696

Keyword

nonn

Author

R. H. Hardin, Jul 04 2014

Status

approved