OFFSET
1,1
COMMENTS
Table starts
.2..1....2......1........2..........1............2..............1
.1..3....4......7........9.........13...........16.............21
.2..4...19.....27......115........122..........467............433
.1..7...27....121......483.......1751.........5694..........16870
.2..9..115....483.....7148......24779.......295813.........804538
.1.13..122...1751....24779.....326650......3826202.......39589830
.2.16..467...5694...295813....3826202....175765510.....1819250859
.1.21..433..16870...804538...39589830...1819250859....74872992399
.2.25.1461..46014..7711613..364013320..65629320845..2730227923892
.1.31.1208.116842.17135660.3005372641.534428405524.88478723671041
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..219
EXAMPLE
Some solutions for n=4 k=7
..0..0..0..0..1..1..1....0..0..0..1..1..1..1....0..0..0..0..0..1..1
..0..0..0..1..1..1..1....0..0..1..0..0..0..1....0..0..0..1..1..0..1
..0..1..1..1..0..0..0....1..1..0..0..0..0..1....0..0..1..1..1..1..0
..1..1..1..1..0..0..0....1..1..1..0..0..1..1....0..1..0..1..1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Nov 30 2011
STATUS
approved