OFFSET
1,1
COMMENTS
Table starts
....30.....231.......900.......2701........6210........12931........23400
....58.....673......3364......12481.......33294........79345.......159688
...112....1961.....12544......57585......177648.......484297......1079680
...216....5711.....46656.....264981......942216......2934691......7216512
...416...16621....173056....1216081.....4971120.....17677453.....47799488
...802...48393....643204....5592169....26346486....107053441....319477960
..1546..140893...2390116...25710385...139555230....647845357...2132283592
..2980..410197...8880400..118192273...738947844...3918872917..14219886016
..5744.1194243..32993536..543322645..3912529200..23704560247..94826520320
.11072.3476929.122589184.2497751105.20719113168.143411404177.632600369216
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..1835
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1) +a(n-2) +a(n-3) +a(n-4)
k=2: [order 14]
k=3: [order 10]
k=4: [order 31]
k=5: [order 14]
k=6: [order 39]
k=7: [order 15]
k=8: [order 40]
k=9: [order 15]
Empirical for row n:
n=1: a(n) = 2*a(n-1) +2*a(n-2) -6*a(n-3) +6*a(n-5) -2*a(n-6) -2*a(n-7) +a(n-8)
n=2: [order 10]
n=3: [order 12]
n=4: [order 13]
n=5: [order 14]
n=6: [order 16]
n=7: [order 18]
EXAMPLE
Some solutions for n=3 k=4
..0....0....2....0....2....3....4....3....1....2....3....1....4....4....3....4
..3....4....0....1....3....0....2....2....1....0....3....1....1....1....0....1
..0....0....1....0....4....0....1....3....1....3....0....2....3....0....4....4
..2....4....2....3....0....4....3....4....2....0....1....4....0....2....2....3
..1....1....0....1....1....4....1....2....3....2....2....3....2....2....1....1
..4....0....2....1....1....4....2....1....1....4....2....2....1....2....0....2
..4....1....2....2....4....3....0....3....2....1....3....4....3....1....2....2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Sep 06 2014
STATUS
approved