OFFSET
1,4
COMMENTS
Table starts
..1....1......2.......4.......7.......12......21....37.65
..1....5.....24......89.....389.....1570....6413.25744
..2...24....355....3281...28993...242224.1973258
..4...89...3281...60003.1022813.16673578
..7..389..28993.1022813
.12.1570.242224
.21.6413
.37
EXAMPLE
Some solutions for n=3 k=4
..0..1..1..0....0..0..0..0....0..0..1..1....0..0..0..1....1..1..1..0
..0..1..1..0....0..0..1..0....1..0..1..1....1..1..0..0....0..0..0..0
..0..1..1..1....0..0..1..1....1..1..1..1....1..1..0..1....1..1..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 11 2012
STATUS
approved