OFFSET
1,2
COMMENTS
Diagonal of A208050
EXAMPLE
Some solutions for n=4
..0..1..2..1....0..1..2..1....0..1..2..3....0..1..0..1....0..1..2..1
..2..0..3..2....2..3..0..3....3..0..1..0....2..3..2..3....2..3..0..2
..3..2..1..0....0..1..2..0....1..2..3..1....0..1..0..1....0..2..1..3
..0..3..2..1....2..3..1..3....3..1..0..2....2..3..2..0....1..0..2..1
MATHEMATICA
a[n_] := A208050[[2 n^2 - 2 n + 1]];
Table[a[n], {n, 1, 12}] (* Jean-François Alcover, Sep 23 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 22 2012
STATUS
approved