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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A239248 Number of n X n 0..4 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the elements above it, modulo 5 0
 4, 142, 47066, 160787652, 5651220281864, 2031453416998054930, 7475436982938232742147042, 281737508349215799258494615824100 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A239256 LINKS Table of n, a(n) for n=1..8. EXAMPLE Some solutions for n=3 ..0..4..3....3..2..4....0..4..2....0..2..0....2..4..4....0..0..0....2..0..2 ..0..3..3....0..4..4....0..2..1....0..4..3....2..1..2....3..2..3....2..4..4 ..2..0..0....0..4..3....0..3..0....3..3..3....2..0..0....2..0..1....3..3..1 CROSSREFS Sequence in context: A293752 A299833 A231949 * A225133 A122422 A307703 Adjacent sequences: A239245 A239246 A239247 * A239249 A239250 A239251 KEYWORD nonn AUTHOR R. H. Hardin, Mar 13 2014 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 May 29 19:17 EDT 2023. Contains 363042 sequences. (Running on oeis4.)