1,2
Column 5 of A230513
Table of n, a(n) for n=1..8.
Some solutions for n=3
..0..7..6..5..4....0..1..2..3..2....0..5..6..7..6....0..7..4..3..2
..1..6..5..2..3....7..0..5..4..3....1..4..7..0..7....1..4..5..0..1
..2..3..4..3..2....6..7..6..3..2....2..3..2..1..6....2..3..6..7..6
Sequence in context: A230913 A163017 A221136 * A295023 A017295 A154713
Adjacent sequences: A230509 A230510 A230511 * A230513 A230514 A230515
nonn
R. H. Hardin, Oct 21 2013
approved