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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A232525 Number of (n+1)X(3+1) 0..3 arrays x(i,j) with every row sum{j*x(i,j), j=1..3+1} equal, and every column sum{i*x(i,j), i=1..n+1} equal, with top left element <= 1 0
 2, 19, 223, 619, 523, 16285, 141433, 2231968, 20520962, 138309075, 1507636982, 428685674 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A232526 LINKS Table of n, a(n) for n=1..12. EXAMPLE Some solutions for n=3 ..1..1..3..1....0..2..1..3....1..3..3..0....1..2..1..2....0..1..1..2 ..2..0..2..2....1..3..0..3....2..0..2..2....2..0..2..2....2..0..1..2 ..1..1..3..1....3..1..2..2....1..3..3..0....1..2..1..2....3..0..2..1 ..2..3..0..2....2..2..3..1....2..1..0..3....2..2..2..1....0..3..1..1 CROSSREFS Sequence in context: A349256 A091852 A210986 * A024227 A106945 A211886 Adjacent sequences: A232522 A232523 A232524 * A232526 A232527 A232528 KEYWORD nonn AUTHOR R. H. Hardin, Nov 25 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 August 10 04:12 EDT 2024. Contains 375044 sequences. (Running on oeis4.)