a(n) is the lesser coefficient of the pair (x, y) such that (x^2-y^2)/r, 2*x*y/r, (x^2+y^2)/r are the 2 legs and hypotenuse of the least Pythagorean triple having area A006991(n).
A364109
a(n) is the lesser coefficient of the pair (x, y) such that (x^2-y^2)/r, 2*x*y/r, (x^2+y^2)/r are the 2 legs and hypotenuse of the least Pythagorean triple having area A006991(n).
Terms
- a(0) =4a(1) =1a(2) =9a(3) =36a(4) =1a(5) =1a(6) =3a(7) =49a(8) =17689a(9) =4900a(10) =2a(11) =81a(12) =8a(13) =1764a(14) =289a(15) =12a(16) =16a(17) =49a(18) =2289169a(19) =1158313156a(20) =44a(21) =10227204a(22) =22801a(23) =4a(24) =169a(25) =2a(26) =121a(27) =2809a(28) =1a(29) =166952241
External references
- oeis: A364109