1,2

Diagonal of A201803

Table of n, a(n) for n=1..5.

Some solutions for n=3

..2..0..0....0..0..0....0..0.-2...-2..0.-1....2.-1.-1...-1..1..2....0.-2.-2

.-2.-2.-2....1..0..0....0..0..0....0..0.-1....1.-1.-1....1..1.-2....1..1..1

..2..1..1....1..0.-2....2..2.-2....2..2..0....1..0..0....2.-2.-2....0..1..0

Sequence in context: A201799 A017748 A158796 * A093285 A011813 A006106

Adjacent sequences: A201793 A201794 A201795 * A201797 A201798 A201799

nonn

R. H. Hardin Dec 05 2011

approved