The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A236618 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median of every 2X2 subblock 8
81, 390, 390, 1885, 2586, 1885, 8876, 17114, 17114, 8876, 41473, 106184, 147683, 106184, 41473, 193372, 645208, 1064688, 1064688, 645208, 193372, 912752, 4152180, 8747914, 11752026, 8747914, 4152180, 912752, 4290712, 26549772, 75546260 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.......81........390.........1885...........8876.............41473
......390.......2586........17114.........106184............645208
.....1885......17114.......147683........1064688...........8747914
.....8876.....106184......1064688.......11752026.........145448960
....41473.....645208......8747914......145448960........2918167210
...193372....4152180.....75546260.....1982594584.......59704230348
...912752...26549772....676215558....25479024204.....1284370885164
..4290712..165983800...5559284940...338049637996....27062375627720
.20084444.1030960714..47828701612..4414473050442...586185349299850
.93983432.6559482790.413368542268.60726673303940.12310822397997156
LINKS
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 11] for n>13
k=2: [order 36] for n>40
EXAMPLE
Some solutions for n=3 k=4
..0..0..2..1..0....0..0..0..2..0....0..0..1..1..2....0..0..2..2..1
..1..0..0..2..0....1..0..0..0..1....0..0..0..2..0....1..1..0..0..0
..1..0..1..0..2....2..0..2..1..0....1..1..2..1..0....2..1..1..0..2
..2..2..1..1..0....2..1..0..2..0....0..2..0..0..1....2..2..1..1..0
CROSSREFS
Sequence in context: A233157 A237108 A237101 * A236611 A236719 A236712
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 29 2014
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 20 08:05 EDT 2024. Contains 372703 sequences. (Running on oeis4.)