OFFSET
1,2
COMMENTS
Column 1 of A271684.
EXAMPLE
Some solutions for n=4
.....5........6........6........5........5........5........6........6
....5.1......6.1......6.1......2.6......4.1......6.1......2.6......2.3
...5.2.5....2.6.6....5.1.6....5.2.6....6.4.3....5.2.6....5.1.6....5.6.6
..4.2.4.1..2.3.3.1..4.1.2.3..2.2.3.3..2.3.4.3..4.1.2.3..4.1.1.3..2.2.3.1
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