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 A224527 Number of idempotent 5X5 0..n matrices of rank 1 0
 405, 2155, 5845, 13525, 24575, 44545, 69195, 107925, 156505, 223355, 301605, 413755, 535845, 694695, 882245 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 5 of A224524 LINKS Table of n, a(n) for n=1..15. EXAMPLE Some solutions for n=3 ..0..0..0..0..0....0..3..0..2..1....0..0..0..0..0....0..0..0..0..0 ..0..0..0..0..0....0..0..0..0..0....3..1..1..1..3....1..0..0..0..1 ..2..3..0..1..3....0..3..0..2..1....0..0..0..0..0....2..0..0..0..2 ..2..3..0..1..3....0..0..0..0..0....0..0..0..0..0....3..0..0..0..3 ..0..0..0..0..0....0..3..0..2..1....0..0..0..0..0....1..0..0..0..1 CROSSREFS Sequence in context: A267893 A151745 A204636 * A219147 A239541 A187134 Adjacent sequences: A224524 A224525 A224526 * A224528 A224529 A224530 KEYWORD nonn AUTHOR R. H. Hardin Apr 09 2013 STATUS approved

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Last modified February 29 01:59 EST 2024. Contains 370401 sequences. (Running on oeis4.)