OFFSET
1,2
COMMENTS
Diagonal of A207997.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..16
EXAMPLE
Some solutions for n=4
..0..1..0..1....0..1..2..0....0..1..2..0....0..1..2..0....0..1..2..1
..1..2..1..0....1..0..1..2....2..0..1..2....1..2..0..2....2..0..1..2
..2..0..2..1....2..1..2..0....1..2..0..1....2..0..1..0....1..2..0..1
..0..1..0..2....0..2..0..1....2..1..2..0....1..2..0..1....2..0..1..0
MATHEMATICA
a[n_] := A207997[[2 n^2 - 2 n + 1]];
Table[a[n], {n, 1, 16}] (* Jean-François Alcover, Sep 23 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 22 2012
STATUS
approved