The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A222162 Number of (n+4)X1 arrays of occupancy after each element moves up to +-4 places but not 0 and without 2-loops 0
 81, 329, 1216, 4499, 16750, 62531, 231973, 855590, 3147832, 11573804, 42548081, 156375085, 574525894, 2110266004, 7749866077, 28458386767, 104495519709 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A222165 LINKS EXAMPLE Some solutions for n=3 ..0....1....2....1....0....0....2....1....1....1....1....0....0....0....0....2 ..0....0....1....1....3....2....0....0....0....1....0....3....3....1....0....0 ..3....1....1....2....0....2....0....0....0....3....4....0....1....0....2....3 ..1....1....0....0....2....0....2....3....1....0....1....2....2....0....0....1 ..2....1....2....0....1....2....3....2....4....0....0....2....0....2....4....0 ..0....3....0....3....0....0....0....0....1....2....0....0....1....1....0....1 ..1....0....1....0....1....1....0....1....0....0....1....0....0....3....1....0 CROSSREFS Sequence in context: A236821 A237511 A237504 * A237481 A237474 A237868 Adjacent sequences: A222159 A222160 A222161 * A222163 A222164 A222165 KEYWORD nonn AUTHOR R. H. Hardin Feb 10 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.

Last modified March 28 00:02 EDT 2023. Contains 361575 sequences. (Running on oeis4.)