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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A233405 Number of (n+1)X(4+1) 0..2 arrays with row and column sums nondecreasing, and no adjacent elements equal 0
 24, 100, 360, 1907, 6931, 21765, 86233, 274628, 965494, 3146010, 10444724, 33097949, 108522965, 338311791, 1086568168, 3360254074, 10607088651, 32550672493, 101662193862 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A233408 LINKS EXAMPLE Some solutions for n=5 ..0..2..0..1..0....2..0..1..2..0....0..2..0..2..0....0..1..0..2..0 ..2..0..2..0..1....0..1..2..0..2....2..0..1..0..1....1..0..2..0..1 ..0..2..0..1..2....1..0..1..2..1....0..1..2..1..0....0..2..0..2..0 ..1..0..1..2..1....0..1..2..1..2....2..0..1..0..2....1..0..1..0..2 ..0..1..2..0..2....1..2..0..2..1....0..2..0..2..1....0..2..0..2..1 ..2..0..1..2..1....0..1..2..1..2....2..1..2..1..2....2..0..2..0..2 CROSSREFS Sequence in context: A042126 A157514 A100152 * A297798 A048529 A213842 Adjacent sequences: A233402 A233403 A233404 * A233406 A233407 A233408 KEYWORD nonn AUTHOR R. H. Hardin, Dec 09 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 April 2 00:42 EDT 2023. Contains 361723 sequences. (Running on oeis4.)