Least k whose set of divisors contains exactly n Pythagorean triples, or 0 if no such k exists.

Terms

a(0) =60a(1) =120a(2) =240a(3) =360a(4) =960a(5) =720a(6) =3840a(7) =1440a(8) =2160a(9) =2880a(10) =8160a(11) =3600a(12) =69360a(13) =8400a(14) =8640a(15) =7200a(16) =32640a(17) =9360a(18) =16800a(19) =14400a(20) =34560a(21) =24480a(22) =130560a(23) =18720a(24) =77760a(25) =54600a(26) =28080a(27) =25200a(28) =67200a(29) =37440