OFFSET
1,3
COMMENTS
Table starts
.......1........1.........1.........1.........1.........1.........1.........1
.......2........2.........2.........2.........2.........2.........2.........2
.......4........6.........6.........6.........6.........6.........6.........6
......10.......22........24........24........24........24........24........24
......32.......90.......118.......120.......120.......120.......120.......120
.....122......422.......658.......718.......720.......720.......720.......720
.....544.....2226......4078......4914......5038......5040......5040......5040
....2770....13102.....27724.....37300.....40066.....40318.....40320.....40320
...15872....85170....205134....308460....353556....362370....362878....362880
..101042...606542...1641534...2748354...3399246...3600306...3627778...3628798
..707584..4697946..14132390..26194542..35142546..38963958..39830282..39914754
.5405530.39330982.130299584.265691456.387129588.453658380.475089392.478739984
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..9999
EXAMPLE
Some solutions for n=8 k=4
..5....8....1....7....5....5....8....4....7....5....3....4....7....6....5....1
..8....1....7....3....1....4....1....7....2....4....5....2....2....5....3....2
..6....5....2....6....3....8....7....5....1....3....7....1....5....4....7....7
..7....6....6....8....6....6....6....1....5....8....2....7....1....7....6....4
..3....7....3....2....7....3....3....3....6....1....6....5....8....1....1....3
..4....3....8....1....4....7....2....8....4....7....4....8....3....8....2....6
..1....4....5....5....8....2....5....6....3....6....1....6....4....3....4....8
..2....2....4....4....2....1....4....2....8....2....8....3....6....2....8....5
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jun 06 2013
STATUS
approved