OFFSET
1,4
COMMENTS
Table starts
.0.1..2...3...4...5....6....7....8....9...10..11..12..13.14.15.16
.0.1..3...5...7...9...11...13...15...17...19..21..23..25.27.29
.0.1..4...8..12..16...20...24...28...32...36..40..44..48.52
.0.1..6..14..23..32...41...50...59...68...77..86..95.104
.0.1..8..24..44..65...86..107..128..149..170.191.212
.0.1.13..47..97.152..208..264..320..376..432.488
.0.1.18..89.212.360..514..669..824..979.1134
.0.1.30.187.512.937.1398.1866.2335.2804
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..148
FORMULA
EXAMPLE
All solutions for n=4, k=3:
..1....1....1....1....1....2
..2....2....2....2....2....3
..3....1....1....1....3....2
..2....2....2....2....2....3
..1....3....1....1....3....2
..2....2....2....2....2....3
..3....3....3....1....3....2
..2....2....2....2....2....3
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 29 2012
STATUS
approved