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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.

A222824 Number of idempotent 5X5 0..n matrices.

Original entry on oeis.org

5682, 54182, 248442, 855192, 2319872, 5617912, 11946912, 23683432, 43615442, 76232022, 126661082, 203564942, 314635222, 473400002, 693921022
Offset: 1

Views

Author

R. H. Hardin Apr 09 2013

Keywords

Comments

Row 5 of A222821

Examples

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

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