OFFSET
1,1
COMMENTS
Diagonal of A204754
LINKS
W. Kuszmaul, Fast Algorithms for Finding Pattern Avoiders and Counting Pattern Occurrences in Permutations, arXiv preprint arXiv:1509.08216, 2015
EXAMPLE
Some solutions for n=6
..0..0..0..1..1..1..0..0....0..0..1..1..0..1..0..0....0..0..0..0..0..0..0..0
..1..0..0..0..1..1..1..0....0..0..1..1..0..1..0..0....0..0..0..0..0..0..0..0
..1..1..0..0..0..1..1..1....0..0..1..1..0..1..0..0....1..1..1..1..1..1..1..1
..1..1..1..0..0..0..1..1....0..0..1..1..0..1..0..0....0..0..0..0..0..0..0..0
..0..1..1..1..0..0..0..1....0..0..1..1..0..1..0..0....0..0..0..0..0..0..0..0
..0..0..1..1..1..0..0..0....0..0..1..1..0..1..0..0....1..1..1..1..1..1..1..1
..0..0..0..1..1..1..0..0....0..0..1..1..0..1..0..0....1..1..1..1..1..1..1..1
..1..0..0..0..1..1..1..0....0..0..1..1..0..1..0..0....0..0..0..0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 18 2012
STATUS
approved