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 A224116 Number of idempotent 5X5 0..n matrices of rank 2. 0
 3070, 30410, 136990, 467290, 1240310, 2986210, 6260470, 12345410, 22576030, 39299170, 64929590, 104218930, 160450990, 240932330, 352487350 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE Some solutions for n=3 ..0..0..0..0..0....0..0..0..0..0....1..2..1..0..0....0..0..1..3..0 ..2..1..0..2..1....3..1..2..3..0....0..0..0..0..0....0..0..0..3..3 ..1..0..1..1..0....0..0..0..0..0....0..0..0..0..0....0..0..1..3..0 ..0..0..0..0..0....0..0..0..0..0....0..0..0..1..0....0..0..0..0..0 ..0..0..0..0..0....0..0..3..1..1....0..0..0..3..0....0..0..0..1..1 CROSSREFS Row 5 of A224114. Sequence in context: A274410 A274411 A224970 * A183726 A137485 A251786 Adjacent sequences: A224113 A224114 A224115 * A224117 A224118 A224119 KEYWORD nonn,more AUTHOR R. H. Hardin, Apr 09 2013 STATUS approved

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Last modified March 24 15:37 EDT 2023. Contains 361479 sequences. (Running on oeis4.)