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!)
A224176 Number of 5Xn 0..3 arrays with rows and antidiagonals unimodal and columns nondecreasing 1
56, 3136, 87878, 1460836, 16625026, 143558572, 1012166273, 6125081331, 32894121939, 160366617391, 721130521043, 3026020511079, 11954211905590, 44767125938612, 159803658410914, 546205629183576, 1794213349019225 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A224173

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical polynomial of degree 30

FORMULA

Empirical polynomial of degree 30 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A199709 A205227 A328352 * A223868 A223990 A224388

Adjacent sequences:  A224173 A224174 A224175 * A224177 A224178 A224179

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 31 2013

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 September 28 15:46 EDT 2021. Contains 347716 sequences. (Running on oeis4.)