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!)
A188207 Number of nondecreasing arrangements of n numbers in -(n+3)..(n+3) with sum zero 1

%I #5 Mar 31 2012 12:36:11

%S 1,6,25,126,649,3486,19138,107233,610358,3521260,20547836,121095602,

%T 719833595,4311542748,25999063108,157723186593,962014388419,

%U 5896435229442,36301479759571,224396764731302,1392253538833522

%N Number of nondecreasing arrangements of n numbers in -(n+3)..(n+3) with sum zero

%C Column 5 of A188211

%H R. H. Hardin, <a href="/A188207/b188207.txt">Table of n, a(n) for n = 1..24</a>

%e Some solutions for n=3

%e .-5....0...-4...-3...-3...-2...-6...-3...-3...-2...-4...-2...-2...-3...-5...-1

%e ..1....0....2....0...-2....1....1...-3....1....0...-1...-1...-2...-1...-1...-1

%e ..4....0....2....3....5....1....5....6....2....2....5....3....4....4....6....2

%K nonn

%O 1,2

%A _R. H. Hardin_ Mar 24 2011

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 April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)