OFFSET
1,1
COMMENTS
Table starts
.....144.......828.......4720........28328........171136.........1058160
.....828......5928......42980.......344540.......2819612........24256020
....4720.....42980.....391232......4090992......44020608.......513164308
...28328....344540....4090992.....57076708.....823143024.....13168405216
..171136...2819612...44020608....823143024...15831135568....344607516548
.1058160..24256020..513164308..13168405216..344607516548..10312421814724
.6567360.210130764.6042237368.214483249704.7674912649456.317529314941288
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..111
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 9]
k=2: [order 39]
EXAMPLE
Some solutions for n=2 k=4
..3..1..2..4..4....0..3..0..1..0....0..1..0..3..0....3..1..3..5..3
..2..4..1..1..3....2..1..0..3..2....0..3..2..3..2....2..0..2..4..2
..5..3..2..4..4....4..3..2..1..4....1..0..3..0..3....3..3..1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 19 2013
STATUS
approved