The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A239335 Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it, modulo 4 1
 12, 172, 2187, 27341, 346028, 4360887, 54774178, 688266175, 8649330696, 108663198449, 1365050486095, 17148274201252, 215420739233431, 2706135761424448, 33994663679676011, 427043158643798758 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A239340 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 64 FORMULA Empirical recurrence of order 64 (see link above) EXAMPLE Some solutions for n=4 ..0..0..0....2..0..0....0..0..2....2..0..0....0..2..2....0..0..2....0..0..2 ..0..2..0....0..2..0....2..2..0....0..0..0....0..0..3....2..2..2....2..2..0 ..0..2..2....2..2..0....0..0..0....0..0..2....0..0..3....0..3..1....3..2..3 ..2..2..3....2..0..0....2..0..2....0..0..3....0..2..0....0..2..2....3..1..2 CROSSREFS Sequence in context: A099270 A187361 A366235 * A120662 A230815 A099930 Adjacent sequences: A239332 A239333 A239334 * A239336 A239337 A239338 KEYWORD nonn AUTHOR R. H. Hardin, Mar 16 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 20 08:05 EDT 2024. Contains 372703 sequences. (Running on oeis4.)