A221996 Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..5 array extended with zeros and convolved with 1,4,6,4,1

2, 3, 4, 6, 10, 15, 25, 40, 61, 100, 160, 248, 400, 640, 1007, 1612, 2572, 4074, 6504, 10361, 16462, 26242, 41784, 66470, 105890, 168580, 268321, 427312, 680287, 1082987, 1724446, 2745396, 4370839, 6959234, 11079658, 17639924, 28085351

Offset

1,1

Comments

Column 5 of A221999

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

Crossrefs

Sequence in context: A222121 A221995 A364587 * A070542 A098855 A143283

Adjacent sequences: A221993 A221994 A221995 * A221997 A221998 A221999

Keyword

nonn

Author

R. H. Hardin Feb 03 2013

Status

approved