OFFSET
1,2
COMMENTS
Column 2 of A271852.
EXAMPLE
Some solutions for n=4
.....5........6........5........5........0........5........5........0
....4.1......2.3......4.1......4.1......4.5......4.1......4.1......5.3
...6.6.3....6.3.6....5.4.5....4.4.5....2.4.6....4.5.5....6.3.5....5.2.3
..2.3.4.1..0.2.2.3..4.1.1.0..2.3.3.0..2.3.3.3..0.1.4.1..0.2.4.1..4.4.4.1
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 15 2016
STATUS
approved