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A222153 T(n,k)=Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..k array extended with zeros and convolved with 1,-2,1 7
2, 2, 4, 2, 4, 7, 2, 4, 8, 12, 2, 4, 8, 15, 20, 2, 4, 8, 15, 26, 33, 2, 4, 8, 15, 27, 44, 53, 2, 4, 8, 15, 27, 47, 74, 85, 2, 4, 8, 15, 27, 47, 79, 124, 137, 2, 4, 8, 15, 27, 47, 80, 131, 207, 221, 2, 4, 8, 15, 27, 47, 80, 134, 216, 343, 355, 2, 4, 8, 15, 27, 47, 80, 134, 221, 355, 564, 570 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
...2...2...2...2...2...2...2...2...2...2...2...2...2...2...2...2...2...2...2
...4...4...4...4...4...4...4...4...4...4...4...4...4...4...4...4...4...4...4
...7...8...8...8...8...8...8...8...8...8...8...8...8...8...8...8...8...8...8
..12..15..15..15..15..15..15..15..15..15..15..15..15..15..15..15..15..15..15
..20..26..27..27..27..27..27..27..27..27..27..27..27..27..27..27..27..27..27
..33..44..47..47..47..47..47..47..47..47..47..47..47..47..47..47..47..47..47
..53..74..79..80..80..80..80..80..80..80..80..80..80..80..80..80..80..80..80
..85.124.131.134.134.134.134.134.134.134.134.134.134.134.134.134.134.134.134
.137.207.216.221.222.222.222.222.222.222.222.222.222.222.222.222.222.222.222
.221.343.355.362.365.365.365.365.365.365.365.365.365.365.365.365.365.365.365
.355.564.582.591.596.597.597.597.597.597.597.597.597.597.597.597.597.597.597
.570.924.952.963.970.973.973.973.973.973.973.973.973.973.973.973.973.973.973
LINKS
EXAMPLE
Some solutions for n=7 k=4, 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....1....0....0....1....0....1....1....0....0....0....0....1....1
..1....1....1....0....0....0....0....0....0....0....0....1....0....1....0....0
..0....0....0....0....0....0....1....1....1....0....1....0....0....0....1....0
..0....1....0....1....0....0....0....0....0....0....0....0....1....0....0....1
..1....0....0....0....1....0....1....0....0....1....0....0....0....1....0....0
..0....0....0....1....0....0....0....0....1....0....1....0....1....0....0....0
..0....0....1....0....0....1....0....1....0....1....0....0....0....1....1....0
..0....1....0....0....1....0....0....0....0....0....0....0....0....0....0....1
..1....0....1....1....0....1....0....0....0....1....1....1....1....1....0....0
CROSSREFS
Column 1 is A222036
Sequence in context: A219433 A274879 A222043 * A219403 A219451 A097800
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 09 2013
STATUS
approved

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Last modified May 24 00:44 EDT 2024. Contains 372765 sequences. (Running on oeis4.)