OFFSET
1,1
COMMENTS
Table starts
.....4......15........53.........170..........497..........1407..........3962
....15.....176......1533........8824........40038........167910........710895
....53....1533.....21379......142627.......748627.......3846906......23759000
...170....8824....142627.....1115472......8039420......69751928.....890122678
...497...40038....748627.....8039420.....98861559....1663213556...37591420090
..1407..167910...3846906....69751928...1663213556...51104966068.1928958791380
..3962..710895..23759000...890122678..37591420090.1928958791380
.10867.3139374.197838865.13542249784.889827826226
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..84
EXAMPLE
Some solutions for n=4 k=3
..1..2..2....2..3..4....2..4..4....1..3..1....4..2..4....1..4..4....2..2..1
..3..1..4....3..4..2....2..3..4....4..1..2....4..4..3....2..2..4....1..3..3
..4..3..4....1..3..4....3..4..2....4..3..2....2..3..1....3..3..3....4..3..2
..1..2..3....4..1..3....1..3..1....1..4..3....3..1..2....1..3..2....2..1..4
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 26 2012
STATUS
approved