login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A250373 T(n,k)=Number of length n+6 0..k arrays with every seven consecutive terms having the maximum of some three terms equal to the minimum of the remaining four terms 15
93, 1382, 151, 8964, 3096, 252, 37385, 24566, 7168, 424, 118621, 119235, 69984, 16798, 714, 312578, 428421, 396745, 202184, 39471, 1198, 720112, 1256106, 1616636, 1340867, 584904, 92497, 1996, 1498569, 3179756, 5272892, 6202712, 4530981 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

...93....1382......8964......37385......118621.......312578.......720112

..151....3096.....24566.....119235......428421......1256106......3179756

..252....7168.....69984.....396745.....1616636......5272892.....14647808

..424...16798....202184....1340867.....6202712.....22517208.....68640720

..714...39471....584904....4530981....23761098.....95876627....320301600

.1198...92497...1680652...15139945....89632970....400455241...1460936344

.1996..215345...4766064...49559017...328905292...1616234585...6398378176

.3292..496659..13262440..157464877..1159359444...6203069791..26383796944

.5464.1156281..37406584..510276209..4200082656..24676972585.113797974816

.9138.2712668.106733108.1679222839.15510937222.100433289066.503805257096

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..1963

FORMULA

Empirical for column k:

k=1: [linear recurrence of order 56]

Empirical for row n:

n=1: [polynomial of degree 6]

n=2: [polynomial of degree 7]

n=3: [polynomial of degree 8]

n=4: [polynomial of degree 9]

n=5: [polynomial of degree 10]

n=6: [polynomial of degree 11]

n=7: [polynomial of degree 11]

EXAMPLE

Some solutions for n=3 k=4

..1....0....1....0....1....0....0....1....1....1....0....0....0....1....0....0

..1....2....1....4....1....3....2....0....1....1....2....2....2....1....0....2

..2....1....4....2....3....4....1....4....0....3....1....1....1....0....2....4

..2....1....2....0....1....0....2....0....1....1....1....1....2....2....3....2

..1....3....4....2....3....1....1....0....2....2....3....4....3....3....0....2

..0....0....3....3....0....4....0....4....4....1....2....1....3....1....0....1

..0....3....2....4....1....1....2....0....0....0....1....0....2....4....0....2

..1....0....1....1....0....1....1....0....1....1....0....3....2....1....0....0

..1....1....0....2....4....2....0....3....4....0....2....2....4....1....2....3

CROSSREFS

Sequence in context: A160250 A332614 A264556 * A250374 A146125 A017809

Adjacent sequences:  A250370 A250371 A250372 * A250374 A250375 A250376

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Nov 19 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 11 18:05 EDT 2021. Contains 343805 sequences. (Running on oeis4.)