A222106 Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..3 array extended with zeros and convolved with 1,2,2,1

2, 3, 4, 5, 8, 13, 19, 30, 48, 75, 116, 186, 297, 464, 735, 1168, 1842, 2902, 4588, 7246, 11419, 18031, 28487, 44950, 70964, 112070, 176962, 279381, 441153, 696646, 1099932, 1736800, 2742479, 4330306, 6837427, 10796190, 17047093, 26916822

Offset

1,1

Comments

Column 3 of A222111

Links

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

Example

Some solutions for n=7, one extended zero followed by filtered positions
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....0....0....0....1....0....0....0....0....0....0....0....0....0....1....1
..1....1....1....0....0....0....1....0....0....1....0....0....0....0....0....0
..0....0....0....0....0....1....0....0....1....0....0....1....0....1....0....0
..1....0....0....1....1....0....0....0....0....0....0....0....0....0....0....0
..0....0....0....0....0....0....1....0....0....0....0....1....1....0....0....0
..0....0....0....0....0....0....0....0....1....1....0....0....0....0....0....1
..0....0....1....0....0....1....0....1....0....0....0....0....0....0....1....0
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0

Crossrefs

Sequence in context: A065490 A214452 A282500 * A222107 A222108 A222109

Adjacent sequences: A222103 A222104 A222105 * A222107 A222108 A222109

Keyword

nonn

Author

R. H. Hardin Feb 07 2013

Status

approved