1,1

Column 7 of A286216.

R. H. Hardin, Table of n, a(n) for n = 1..28

Some solutions for n=3

..0..1..0..0..0..1..1. .1..1..0..0..0..0..1. .0..0..1..1..0..0..0

..1..0..0..0..1..0..0. .0..1..1..0..0..1..1. .1..1..1..0..0..0..1

..1..1..0..1..1..0..0. .0..0..0..1..0..1..1. .1..1..0..0..1..1..0

Cf. A286216.

Sequence in context: A036520 A193447 A134909 * A259157 A003831 A200735

Adjacent sequences: A286212 A286213 A286214 * A286216 A286217 A286218

nonn

R. H. Hardin, May 04 2017

approved