cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-1 of 1 results.

A202931 T(n,k)=Number of nXk 0..2 arrays with adjacent row and column sums unequal.

Original entry on oeis.org

3, 6, 6, 12, 52, 12, 24, 352, 352, 24, 48, 2444, 8460, 2444, 48, 96, 17508, 194636, 194636, 17508, 96, 192, 124340, 4439916, 14394092, 4439916, 124340, 192, 384, 872940, 100236532, 1032147416, 1032147416, 100236532, 872940, 384, 768, 6112832
Offset: 1

Views

Author

R. H. Hardin Dec 26 2011

Keywords

Comments

Table starts
....3........6..........12............24.............48.............96
....6.......52.........352..........2444..........17508.........124340
...12......352........8460........194636........4439916......100236532
...24.....2444......194636......14394092.....1032147416....72961197604
...48....17508.....4439916....1032147416...231197740500.50721408178292
...96...124340...100236532...72961197604.50721408178292
..192...872940..2247406834.5108912536716
..384..6112832.50175952564
..768.42822036
.1536

Examples

			Some solutions for n=4 k=3
..0..0..1....0..2..1....0..2..1....0..2..0....0..1..2....1..0..2....0..2..1
..1..1..1....1..1..2....1..2..2....2..0..1....0..0..0....2..1..1....2..2..1
..2..0..2....0..2..0....2..1..0....2..2..2....0..1..1....0..2..0....0..1..1
..1..0..2....2..2..2....0..0..1....0..2..0....2..1..1....0..1..0....0..1..2

Links

Crossrefs

Diagonal is A202649
Showing 1-1 of 1 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.