OFFSET
1,2
COMMENTS
Table starts
......1........7.......37.......231......1451........9331......60691....398567
......7......231.....1587.....17903....194633.....2232183...25952953.305979795
.....37.....1587....17091....303955...4735345....85454789.1489376611
....231....17903...303955...9654533.300895245.10356370455
...1451...194633..4735345.300895245
...9331..2232183.85454789
..60691.25952953
.398567
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..40
EXAMPLE
Some solutions for n=3 k=3
..0.-3..1....1.-3..3....1..1..0....0..1..1...-2..1..3....2..3..3...-3..1..0
.-3.-3..3...-3.-3.-3...-1.-1.-1....0..1..1...-2..1..3....0..0..0...-3..1..1
..1..1..3....3..3..2....2.-1..0...-3..1.-2...-3..1.-2...-2.-3.-3....0..0..3
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 06 2011
STATUS
approved