login
A237158
T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the maximum plus the minimum of every 2 X 2 subblock equal.
8
256, 1868, 1868, 14096, 37652, 14096, 111900, 762508, 762508, 111900, 912848, 16547988, 39065788, 16547988, 912848, 7609244, 367558796, 2178706440, 2178706440, 367558796, 7609244, 64386416, 8327731884, 122764464080
OFFSET
1,1
COMMENTS
Table starts:
.....256.......1868.........14096...........111900..............912848
....1868......37652........762508.........16547988...........367558796
...14096.....762508......39065788.......2178706440........122764464080
..111900...16547988....2178706440.....317411030268......46125739204336
..912848..367558796..122764464080...46125739204336...17061532793217332
.7609244.8327731884.7033328776428.6800622630757224.6399495495536326520
LINKS
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 10]
k=2: [order 16]
k=3: [order 38]
k=4: [order 84]
EXAMPLE
Some solutions for n=2, k=4:
..0..0..0..3..1....0..0..0..0..2....0..0..0..3..1....0..0..0..0..1
..0..3..0..0..2....0..3..1..3..3....0..3..0..3..0....0..3..3..1..3
..2..0..2..3..1....2..2..0..1..0....1..2..0..0..3....0..3..0..0..3
CROSSREFS
Sequence in context: A238293 A237898 A237891 * A237151 A237574 A237569
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 04 2014
STATUS
approved