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1,2
Diagonal of A232459
Table of n, a(n) for n=1..9.
Some solutions for n=3
..2..2..1....2..0..0....2..2..1....2..2..1....0..1..2....2..0..1....1..1..0
..0..0..0....0..2..1....1..1..1....2..2..2....2..0..0....1..2..1....1..2..0
..1..2..1....0..1..2....2..1..2....1..2..1....1..2..2....1..0..0....2..0..2
Sequence in context: A184282 A232278 A208350 * A206395 A160475 A241332
Adjacent sequences: A232449 A232450 A232451 * A232453 A232454 A232455
nonn
R. H. Hardin, Nov 24 2013
approved