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A235588
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise
5
81, 549, 549, 3459, 8678, 3459, 20537, 125917, 125917, 20537, 118383, 1660676, 4421414, 1660676, 118383, 668041, 20719004, 140378037, 140378037, 20719004, 668041, 3720671, 246491295, 4163928036, 11284713813, 4163928036, 246491295
OFFSET
1,1
COMMENTS
Table starts
........81..........549...........3459............20537............118383
.......549.........8678.........125917..........1660676..........20719004
......3459.......125917........4421414........140378037........4163928036
.....20537......1660676......140378037......11284713813......864122401640
....118383.....20719004.....4163928036.....864122401640...179329543464972
....668041....246491295...114786490439...61249068090242.34988442623259443
...3720671...2840913933..2990032682541.4044723177106236
..20536617..31961677744.74106981549899
.112678583.353604367053
.615713801
LINKS
FORMULA
Empirical for column 1: [linear recurrence of order 14]
EXAMPLE
Some solutions for n=2 k=4
..1..0..1..0..0....1..0..0..2..2....0..0..0..0..0....0..0..0..2..0
..0..0..0..0..1....0..0..1..0..2....0..0..0..0..2....0..0..0..0..1
..0..0..0..2..0....1..1..0..0..0....1..0..0..2..2....1..0..2..2..1
CROSSREFS
Sequence in context: A253462 A206512 A235833 * A206505 A235584 A231973
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 12 2014
STATUS
approved