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 A057228 a(n)=a*b=x*y with (a-b)=(x+y)=A009000(n) (a>b,a>0,b>0,x>0,y>0). 0
 6, 24, 30, 54, 60, 96, 84, 150, 120, 210, 216, 240, 294, 210, 270, 384, 180, 486, 336, 600, 540, 480, 630, 726, 840, 864, 330, 504, 750, 924, 1014, 960, 1176, 1320, 840, 756, 1350, 1080, 1536, 720, 546, 1386, 1500, 1734, 1890, 1560, 1944, 1470, 2166 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Areas of Pythagorean triangles. LINKS EXAMPLE E.g. a(1)=6=6*1=3*2, (6- 1)=(3+2)=5=A009000(1) CROSSREFS Cf. A009000, A009003, A009111, A009112. Sequence in context: A009111 A009112 A057101 * A334788 A332962 A132398 Adjacent sequences:  A057225 A057226 A057227 * A057229 A057230 A057231 KEYWORD nonn AUTHOR Naohiro Nomoto, Sep 19 2000 STATUS approved

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Last modified September 28 12:34 EDT 2020. Contains 337393 sequences. (Running on oeis4.)