1,1
Column 5 of A220226
Table of n, a(n) for n=1..7.
Some solutions for n=3
..1..1..1..1..1....1..1..1..1..1....1..0..0..0..0....1..0..1..1..0
..1..1..0..1..0....0..1..1..0..1....0..1..0..0..0....0..1..1..1..1
..1..1..1..1..0....0..0..1..1..0....1..0..1..1..1....1..1..0..0..1
Sequence in context: A036276 A003130 A015000 * A213376 A269642 A269411
Adjacent sequences: A220222 A220223 A220224 * A220226 A220227 A220228
nonn
R. H. Hardin Dec 08 2012
approved