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!)
A214591 Number of nXnXn triangular 0..4 arrays with every horizontal row having the same average value 1
5, 13, 157, 10177, 3330677, 5495329427, 43988453613377, 1673440688496376877, 301618636251020715984377, 258456549967842122873898234377, 1057468726916674176186809546298140627 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A214595
LINKS
EXAMPLE
Some solutions for n=4
.....1........1........2........2........2........2........2........2
....2.0......2.0......3.1......4.0......2.2......0.4......4.0......2.2
...2.0.1....0.1.2....2.4.0....2.2.2....4.1.1....1.3.2....1.2.3....0.3.3
..0.1.1.2..2.0.0.2..1.4.2.1..4.1.2.1..2.3.3.0..2.0.3.3..2.3.1.2..4.1.3.0
CROSSREFS
Sequence in context: A247820 A336097 A187894 * A159261 A117077 A124924
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 22 2012
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 March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)