OFFSET
1,5
COMMENTS
Table starts
.0....1.......1.........2...........2..............4................6
.1....2......11........45.........170............538.............1674
.1...11.....125.......955........6218..........39667...........260861
.2...45.....955.....11879......151736........1947347.........24912066
.2..170....6218....151736.....3833954.......95442732.......2375975754
.4..538...39667...1947347....95442732.....4623938410.....223164388883
.6.1674..260861..24912066..2375975754...223164388883...20901164219657
.9.5410.1735169.322047969.59592537600.10856162934984.1975174382937912
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..180
EXAMPLE
Some solutions for n=3 k=3
..2..2..2....2..2..2....1..2..2....1..1..1....2..2..2....1..2..1....2..2..2
..1..1..2....2..1..2....1..2..2....1..2..2....2..2..2....1..1..1....1..2..1
..1..1..1....1..1..1....1..1..1....2..2..2....1..1..1....2..2..2....1..2..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 10 2012
STATUS
approved