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!)
 A265966 Number of n X n 0..4 arrays with the absolute differences of each element with its with horizontal and vertical neighbors unique. 0
 5, 288, 6112, 74248, 631264, 5006296, 34825856, 249438952, 1579115104 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A265973. LINKS Table of n, a(n) for n=1..9. EXAMPLE Some solutions for n=4 ..3..0..4..4....3..1..0..4....4..1..3..3....3..4..0..3....4..2..2..3 ..3..1..1..3....4..1..3..4....4..1..0..4....1..1..0..3....3..1..4..3 ..4..4..0..0....4..0..3..1....3..3..0..1....0..3..4..4....0..1..4..0 ..0..3..3..2....3..0..4..1....0..2..2..3....2..3..1..0....4..3..3..0 CROSSREFS Cf. A265973. Sequence in context: A276556 A283569 A252173 * A337540 A354962 A227579 Adjacent sequences: A265963 A265964 A265965 * A265967 A265968 A265969 KEYWORD nonn AUTHOR R. H. Hardin, Dec 19 2015 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 28 21:13 EDT 2024. Contains 372920 sequences. (Running on oeis4.)