There are exactly n integer-sided triangles of area a(n).

Terms

a(0) =6a(1) =12a(2) =126a(3) =60a(4) =240a(5) =210a(6) =1080a(7) =336a(8) =1260a(9) =924a(10) =2016a(11) =2640a(12) =5280a(13) =11424a(14) =420a(15) =2520a(16) =840a(17) =5544a(18) =3696a(19) =14280a(20) =3360a(21) =25200a(22) =1680a(23) =6720a(24) =10920a(25) =26880a(26) =15960a(27) =137280a(28) =23100a(29) =43680