A224119 Number of idempotent 5X5 0..n matrices of rank 3.

2050, 20810, 103050, 368130, 1042030, 2563150, 5576290, 11164490, 20782910, 36563090, 61222530, 98646650, 153264230, 231266730, 339896070

Offset: 1

Author

R. H. Hardin Apr 09 2013

Keywords

• nonn

Comments

Row 5 of A224118

Examples

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