OFFSET
1,5
COMMENTS
Table starts
.0.......0...........0..............0..................0......................0
.0.......6..........28............168................960...................5530
.0......30.........410...........6372..............98410................1516632
.0.....198........7204.........315060...........13597418..............586416930
.0....1230......121826.......14786448.........1772657688...........212235186204
.0....7734.....2072344......699721024.......233160226732.........77589535205794
.0...48510....35217368....33064544648.....30622716754158......28318244060569024
.0..304422...598579468..1562794615162...4022851892753872...10338163442842553944
.0.1910190.10173619772.73862525475272.528455116917488310.3774002232626515614634
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..144
FORMULA
Empirical for column k:
k=2: a(n) = 5*a(n-1) +8*a(n-2)
k=3: [order 9]
k=4: [order 28]
Empirical for row n:
n=2: a(n) = 6*a(n-1) -8*a(n-3) -a(n-4)
n=3: [order 19]
n=4: [order 63]
EXAMPLE
Some solutions for n=3 k=4
..0..2..1..0. .0..1..0..0. .0..1..2..0. .0..1..0..0. .0..1..0..1
..1..0..0..2. .1..2..1..1. .1..1..2..1. .0..2..2..1. .0..2..1..2
..2..2..0..1. .1..1..0..2. .2..0..1..0. .1..2..2..0. .1..1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 08 2016
STATUS
approved