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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 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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified August 30 15:13 EDT 2024. Contains 375545 sequences. (Running on oeis4.)