OFFSET
1,2
COMMENTS
Column 6 of A271684.
EXAMPLE
Some solutions for n=4
.....5........5........6........0........0........5........5........6
....2.0......6.1......2.6......0.0......5.3......5.1......2.5......6.1
...5.0.6....6.4.1....4.1.6....5.4.3....6.0.1....6.4.1....0.2.0....5.1.5
..4.1.0.1..2.3.4.3..0.1.3.3..4.1.4.3..0.4.4.1..0.4.1.0..4.3.0.0..2.0.4.1
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 12 2016
STATUS
approved