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!)
A271850 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 6-1 elements moved to themselves. 0

%I #3 Apr 15 2016 18:46:28

%S 1,3,22,408,18860,1996822,484756640,264090710890,318643448832078,

%T 849130639354784618

%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 6-1 elements moved to themselves.

%C Column 6 of A271852.

%e Some solutions for n=4

%e .....0........5........6........5........0........6........0........6

%e ....0.0......6.1......2.6......6.1......0.5......2.3......5.3......2.5

%e ...4.4.5....5.6.1....0.1.3....6.4.1....5.3.1....0.4.6....4.6.1....2.5.0

%e ..2.3.3.0..4.1.4.1..0.0.0.0..2.3.0.0..4.4.2.0..0.0.1.3..0.0.4.1..2.3.0.0

%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 20 11:08 EDT 2024. Contains 373524 sequences. (Running on oeis4.)