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!)
A223201 Rolling cube footprints: number of nX7 0..5 arrays starting with 0 where 0..5 label faces of a cube and every array movement to a horizontal or vertical neighbor moves across a corresponding cube edge 1
4096, 11943936, 37222350848, 118404195287040, 379529320596504576, 1220273386789986631680, 3928452022261522225954816, 12653687328474521535529353216, 40767113911221149476183875780608 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A223202
LINKS
FORMULA
Empirical: a(n) = 7040*a(n-1) -18169856*a(n-2) +23760732160*a(n-3) -18040473255936*a(n-4) +8500736711196672*a(n-5) -2561598209927413760*a(n-6) +496452053123372941312*a(n-7) -61015776557932010799104*a(n-8) +4604307320797904083353600*a(n-9) -203533995411681708710297600*a(n-10) +5009788596483023299982393344*a(n-11) -63134942003554394019855335424*a(n-12) +316912650057057350374175801344*a(n-13)
EXAMPLE
Some solutions for n=3
..0..3..0..3..1..3..5....0..3..0..3..0..3..1....0..3..0..3..0..2..0
..3..0..3..0..2..0..2....3..0..3..0..3..0..2....3..0..3..0..3..5..1
..0..3..0..3..4..3..0....0..3..0..3..0..3..5....0..3..0..4..0..1..0
Face neighbors:
0,5 -> 1 2 3 4
1,4 -> 0 2 3 5
2,3 -> 0 1 4 5
CROSSREFS
Sequence in context: A223268 A222103 A017442 * A223356 A017574 A016752
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 18 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)