|
|
A236065
|
|
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the difference of the upper median and the minimum in each 2X2 subblock
|
|
9
|
|
|
81, 360, 360, 1616, 1784, 1616, 7016, 8506, 8506, 7016, 31616, 41344, 45987, 41344, 31616, 138988, 200906, 221292, 221292, 200906, 138988, 620552, 983796, 1178874, 1189428, 1178874, 983796, 620552, 2734804, 4815318, 6003004, 6693198, 6693198
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Table starts
.......81.......360.......1616........7016........31616........138988
......360......1784.......8506.......41344.......200906........983796
.....1616......8506......45987......221292......1178874.......6003004
.....7016.....41344.....221292.....1189428......6693198......39556394
....31616....200906....1178874.....6693198.....44476077.....300043524
...138988....983796....6003004....39556394....300043524....2530095488
...620552...4815318...32549159...224877256...2014550540...19156234610
..2734804..23498914..160724066..1256067308..12237425826..140432536108
.12176064.114724352..869348096..7205418850..84261108266.1120211727420
.53818764.560870566.4373843360.41590160892.550970559570.9029381500148
|
|
LINKS
|
|
|
FORMULA
|
Empirical for column k:
k=1: [linear recurrence of order 14]
k=2: [order 32] for n>35
k=3: [order 94] for n>101
|
|
EXAMPLE
|
Some solutions for n=3 k=4
..0..2..2..1..0....1..0..0..1..1....0..0..1..1..2....0..1..1..0..1
..1..2..2..0..1....2..0..0..1..1....0..1..1..1..0....0..0..2..2..1
..0..0..1..0..0....2..1..2..2..2....0..1..2..0..0....1..1..2..1..1
..2..0..2..2..1....0..0..2..2..0....0..0..1..2..1....1..2..2..0..2
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|