Least hypotenuse of n distinct Pythagorean triangles.

Terms

a(0) =1a(1) =5a(2) =25a(3) =125a(4) =65a(5) =3125a(6) =15625a(7) =325a(8) =390625a(9) =1953125a(10) =1625a(11) =48828125a(12) =4225a(13) =1105a(14) =6103515625a(15) =30517578125a(16) =40625a(17) =21125a(19) =203125a(22) =5525a(24) =274625a(25) =5078125a(27) =528125a(28) =25390625