sqrt(a(n)) / 4 is the maximum area of any triangle with integer side lengths whose perimeter is n, or a(n) = -1 if there is no such triangle.
A387833
sqrt(a(n)) / 4 is the maximum area of any triangle with integer side lengths whose perimeter is n, or a(n) = -1 if there is no such triangle.
Terms
- a(0) =0a(1) =-1a(2) =0a(3) =3a(4) =0a(5) =15a(6) =48a(7) =63a(8) =128a(9) =243a(10) =320a(11) =495a(12) =768a(13) =975a(14) =1344a(15) =1875a(16) =2304a(17) =2975a(18) =3888a(19) =4655a(20) =5760a(21) =7203a(22) =8448a(23) =10143a(24) =12288a(25) =14175a(26) =16640a(27) =19683a(28) =22400a(29) =25839
External references
- oeis: A387833