A222041 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, 364, 594, 966, 1568, 2542, 4118, 6668, 10794, 17470, 28272, 45750, 74029, 119785, 193820, 313612, 507441, 821065, 1328522, 2149608, 3478157, 5627799, 9105998, 14733846, 23839900, 38573810, 62413783, 100987676

Offset

1,1

Comments

Column 6 of A222043

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

Crossrefs

Sequence in context: A222148 A222040 A222149 * A222042 A222150 A222151

Adjacent sequences: A222038 A222039 A222040 * A222042 A222043 A222044

Keyword

nonn

Author

R. H. Hardin Feb 06 2013

Status

approved