OFFSET
1,1
COMMENTS
Table starts
........2...............3....................4........................5
.......10..............53..................200......................606
.......52............1211................17336...................175869
......260...........27768..............1664244.................64697626
.....1256..........618013............161114424..............25604764159
.....5908........13312100..........15316983096...........10284525151080
....27224.......278398992........1419691311304.........4096557367365808
...123432......5675814840......128192490487336......1603120459023088062
...552400....113227696037....11293174782625768....614279244262328965406
..2446004...2217264763644...972723674586291992.230325185716748014038168
.10735352..42732777814040.82102763053800998896
.46766200.812306057415128
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..98
FORMULA
Empirical for rows:
Row 1 is a polynomial of degree 1
Row 2 is a polynomial of degree 7
Row 3 is a polynomial of degree 19
EXAMPLE
Some solutions for n=3 k=4
......0.0.1..........0.0.1..........0.0.0..........0.0.0..........0.0.0
.....0.0.2.4........0.1.3.3........0.0.0.0........0.0.0.1........0.0.2.4
....3.3.3.4.4......1.2.4.4.4......0.0.1.1.1......0.1.1.2.3......0.4.4.4.4
.....4.4.4.4........3.4.4.4........1.1.1.3........2.3.3.4........4.4.4.4
......4.4.4..........4.4.4..........3.3.4..........3.4.4..........4.4.4
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Sep 20 2012
STATUS
approved