A221997 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 1,4,6,4,1

2, 3, 4, 7, 11, 16, 27, 43, 65, 108, 172, 268, 436, 695, 1101, 1770, 2819, 4487, 7188, 11453, 18271, 29212, 46578, 74346, 118763, 189459, 302472, 482960, 770686, 1230388, 1964230, 3135006, 5004771, 7989192, 12752257, 20357209, 32495805

Offset

1,1

Comments

Column 6 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....1....1....0....1....0....0....0....0....0....1....0....1....0
..0....0....0....0....0....0....0....1....0....0....1....0....0....0....0....1
..0....0....0....0....0....1....0....0....1....0....0....0....0....0....0....0
..1....1....0....0....0....0....1....0....0....0....1....0....0....1....0....1
..0....0....0....0....0....1....0....1....0....1....0....0....0....0....1....0
..0....0....1....0....0....0....1....0....0....0....1....0....1....1....0....0
..1....0....0....1....0....0....0....0....0....1....0....1....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: A017987 A337495 A222023 * A221998 A165407 A039897

Adjacent sequences: A221994 A221995 A221996 * A221998 A221999 A222000

Keyword

nonn

Author

R. H. Hardin Feb 03 2013

Status

approved