OFFSET
1,1
COMMENTS
Table starts
...2......9.........45..........144...........512...........1936...........7381
...4.....40........441.........2745.........21025.........167464........1336336
...8....169.......4410........54756........911754.......15437041......267205956
..16....714......44100......1086300......39087504.....1399892079....52292712976
..32...3025.....441000.....21511044....1680100825...127528266321.10275868913985
..64..12816....4410000....426058380...72203451849.11613782698504
.128..54289...44100000...8439361956.3103083479700
.256.229970..441000000.167165327340
.512.974169.4410000000
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..71
FORMULA
Empirical for column k:
k=1: a(n) = 2*a(n-1)
k=2: a(n) = 4*a(n-1) +4*a(n-3) +a(n-4)
k=3: a(n) = 10*a(n-1) for n>2
k=4: a(n) = 19*a(n-1) +304*a(n-3) +256*a(n-4)
k=5: [order 14]
Empirical for row n:
n=1: [linear recurrence of order 14]
EXAMPLE
Some solutions for n=3 k=4
..0..3..2..1..4....6..3..4..1..2....6..7..8..1..4....6..3..0..9..4
..5.12..9.14..7...11..0..9.14..7....5..0..9..2..3....5..8..1..2..7
.10.11..6.13..8...10..5.12.13..8...16.11.10.13.14...16.13.18.11.14
.15.18.19.16.17...15.16.17.18.19...15.18.17.12.19...17.10.15.12.19
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 03 2015
STATUS
approved