OFFSET
1,2
COMMENTS
Column 1 of A271969.
EXAMPLE
Some solutions for n=4
.....5........0........0........6........5........6........5........0
....6.1......0.6......4.5......2.6......6.1......2.3......5.1......5.3
...5.6.1....0.2.6....2.6.0....2.5.6....6.6.1....5.3.6....5.4.1....6.2.6
..4.1.2.0..0.2.3.3..0.1.3.0..0.1.1.3..2.3.4.1..4.2.2.3..4.4.1.0..0.2.2.3
Element moves: 0=itself 1=nw 2=ne 3=w 4=e 5=sw 6=se, reciprocals total 7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 17 2016
STATUS
approved