OFFSET
1,1
COMMENTS
Table starts
.2..3...4....5....6.....7......8......9.....10......11......12.......13
.2..4...6....9...12....16.....20.....25.....30......36......42.......49
.2..6..14...29...50....88....136....209....302.....430.....584......793
.2.14..50..182..458..1184...2490...5213...9722...17864...30284....51088
.2.38.242.1802.7550.31412.100350.310079.811472.2065406.4695974.10458806
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..1004
FORMULA
Empirical for row n:
n=1: a(k)=2*a(k-1)-a(k-2)
n=2: a(k)=2*a(k-1)-2*a(k-3)+a(k-4)
n=3: a(k)=2*a(k-2)+2*a(k-3)-4*a(k-5)-3*a(k-6)+3*a(k-8)+4*a(k-9)-2*a(k-11)-2*a(k-12)+a(k-14)
n=4: (order 62 symmetric)
EXAMPLE
Some solutions for n=4 k=4
.....3........2........2........3........2........2........2........2
....2.4......2.2......1.3......2.4......1.3......2.2......1.3......1.3
...2.3.4....0.3.3....0.3.3....1.4.4....1.1.4....2.2.2....0.3.3....1.2.3
..2.3.3.4..1.2.2.3..0.2.3.3..3.3.3.3..0.0.4.4..1.1.2.4..2.2.2.2..0.2.2.4
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jul 29 2012
STATUS
approved