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!)
A271849 Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no 2-cycles and with no more than 5-1 elements moved to themselves. 0

%I #3 Apr 15 2016 18:46:02

%S 1,3,22,384,15536,1473994,314196428,149466458074,157014841181820,

%T 365217955668529232

%N Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no 2-cycles and with no more than 5-1 elements moved to themselves.

%C Column 5 of A271852.

%e Some solutions for n=4

%e .....0........5........0........0........0........0........0........0

%e ....6.3......5.1......6.3......6.3......4.5......5.3......4.5......6.3

%e ...5.6.1....5.4.1....6.2.5....5.2.0....6.1.5....5.0.1....2.6.0....5.2.5

%e ..4.1.2.0..4.4.1.0..2.3.4.1..4.1.0.0..2.3.4.1..4.4.2.0..2.3.3.0..4.1.4.1

%e Element moves: 0=itself 1=nw 2=ne 3=w 4=e 5=sw 6=se, reciprocals total 7

%Y Cf. A271852.

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 15 2016

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 June 23 17:30 EDT 2024. Contains 373653 sequences. (Running on oeis4.)