1,1
Column 7 of A263040.
Table of n, a(n) for n=1..6.
Some solutions for n=1
..0..1..1..0..0..0..1..1..0....0..1..0..0..1..1..1..1..0
..0..0..0..1..1..0..1..1..0....0..0..0..1..0..0..1..1..1
..1..0..0..1..0..1..1..1..1....1..0..1..1..0..0..1..1..0
Cf. A263040.
Sequence in context: A206136 A186624 A157844 * A241607 A140658 A172715
Adjacent sequences: A263036 A263037 A263038 * A263040 A263041 A263042
nonn
R. H. Hardin, Oct 08 2015
approved