OFFSET
1,2
COMMENTS
Row 5 of A220738.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..209
EXAMPLE
Some solutions for n=3 0=self 1=nw 3=ne 4=w 6=e 7=sw 9=se (reciprocal directions total 10)
.00.69.47...69.47.00...00.67.47...00.67.47...00.00.00...69.47.00...00.69.47
.00.36.14...39.16.47...39.36.47...36.34.00...00.00.00...39.16.47...69.34.17
.00.79.00...00.13.00...00.13.00...00.79.00...00.00.00...00.13.00...00.13.00
.39.00.17...69.49.00...00.67.47...36.47.17...00.69.47...00.00.00...00.67.47
.00.13.00...00.16.14...36.34.00...36.34.00...00.36.14...00.00.00...36.34.00
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 18 2012
STATUS
approved