OFFSET
1,13
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..312
EXAMPLE
Table starts:
.1..1...1....1.....1......1.......1........1.........1..........1...........1
.1..1...1....1.....3......5.......9.......17........31.........57.........105
.1..1...2....7....13.....16......32.......65.......125........211.........390
.1..1...7...25....27.....91.....231......455......1135.......2693........6041
.1..3..13...27...106....316.....835.....2350......7232......21846.......63985
.1..5..16...91...316....708....3572....14607.....54710.....196832......782926
.1..9..32..231...835...3572...22711...100094....517009....2740712....14291156
.1.17..65..455..2350..14607..100094...670449...4760391...32900243...226381615
.1.31.125.1135..7232..54710..517009..4760391..44864449..411748723..3838635775
.1.57.211.2693.21846.196832.2740712.32900243.411748723.5122273171.64922269000
Some solutions for n=6 and k=4:
..2..2..2..0....2..2..3..2....2..3..3..2....2..2..3..2....0..2..2..2
..2..0..3..2....2..0..3..3....3..4..3..3....2..0..3..3....2..3..0..2
..3..3..3..3....3..3..3..3....3..3..0..2....3..3..4..3....3..4..3..3
..3..2..0..2....3..2..0..2....3..4..3..3....3..4..4..3....3..3..4..3
..2..0..2..2....2..0..2..2....3..4..4..3....3..4..4..3....2..0..3..3
..2..2..2..0....2..2..2..0....2..3..3..2....2..3..3..2....2..2..3..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Sep 26 2011
STATUS
approved