1,2
Table of n, a(n) for n=1..4.
By size 3 X 3, ..., 6 X 6 A068722-A068725, by velocity limit 1..13 A068726-A068738.
Sequence in context: A076445 A013835 A211600 * A151649 A122500 A251362
Adjacent sequences: A068734 A068735 A068736 * A068738 A068739 A068740
nonn
R. H. Hardin, Feb 26 2002
approved