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A237150
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the lower median of every 2X2 subblock equal
8
256, 1472, 1472, 8128, 17616, 8128, 48672, 197724, 197724, 48672, 289648, 2463178, 4365504, 2463178, 289648, 1763648, 30395540, 111073520, 111073520, 30395540, 1763648, 10742400, 386318536, 2747051348, 5913259332, 2747051348, 386318536
OFFSET
1,1
COMMENTS
Table starts
......256........1472...........8128.............48672...............289648
.....1472.......17616.........197724...........2463178.............30395540
.....8128......197724........4365504.........111073520...........2747051348
....48672.....2463178......111073520........5913259332.........302134028828
...289648....30395540.....2747051348......302134028828.......31234114230216
..1763648...386318536....70822934950....16186017177324.....3419882951237944
.10742400..4907807434..1807884334024...852855235631188...364756525202115302
.65979616.63050866982.46865387548176.45740175930381952.39795429137153818278
LINKS
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 30]
k=2: [order 70]
EXAMPLE
Some solutions for n=2 k=4
..0..2..1..3..3....0..2..0..2..2....0..2..0..1..1....0..2..1..3..0
..1..3..1..1..1....1..2..1..1..1....1..3..1..3..3....1..3..0..1..3
..3..0..2..3..1....0..2..1..2..0....1..1..0..1..1....1..1..3..1..2
CROSSREFS
Sequence in context: A237946 A237488 A237482 * A237143 A333606 A237974
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 04 2014
STATUS
approved