|
|
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
|
|
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
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
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
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|