A222151 Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..6 array extended with zeros and convolved with 1,-2,1

2, 4, 8, 15, 27, 47, 80, 134, 222, 365, 597, 973, 1581, 2565, 4158, 6737, 10912, 17670, 28608, 46310, 74957, 121314, 196327, 317707, 514111, 831906, 1346115, 2178130, 3524368, 5702639, 9227171, 14930003, 24157403, 39087679, 63245408, 102333476

Offset

1,1

Comments

Column 6 of A222153

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....1....1....1....1....0....1....0....0....0....0....1....1....0....1
..0....0....0....0....0....0....0....0....1....1....0....1....0....0....0....0
..0....0....0....1....0....0....1....1....0....0....1....0....0....0....1....1
..0....0....0....0....1....1....0....0....0....1....0....1....1....0....0....0
..0....1....1....0....0....0....0....0....0....0....0....0....0....1....0....1
..1....0....0....0....0....1....1....1....1....0....0....1....1....0....0....0
..0....0....0....0....1....0....0....0....0....0....1....0....0....0....0....1
..1....0....1....0....0....1....0....0....0....0....0....1....0....0....1....0
..0....1....0....0....1....0....0....1....1....1....0....0....0....1....0....0

Crossrefs

Sequence in context: A222041 A222042 A222150 * A222152 A000126 A344611

Adjacent sequences: A222148 A222149 A222150 * A222152 A222153 A222154

Keyword

nonn

Author

R. H. Hardin Feb 09 2013

Status

approved