a(n) is the smallest integer k whose set of divisors contains exactly n triples (x,y,z) of distinct divisors considered as integer-sided triangles with integer areas, or 0 if no such k exists.
A377418
a(n) is the smallest integer k whose set of divisors contains exactly n triples (x,y,z) of distinct divisors considered as integer-sided triangles with integer areas, or 0 if no such k exists.
Terms
- a(0) =60a(1) =120a(2) =240a(3) =360a(4) =960a(5) =720a(6) =3480a(7) =1440a(8) =1680a(9) =2880a(10) =6600a(11) =2520a(12) =4200a(13) =10440a(14) =5460a(15) =6240a(16) =4680a(17) =5040a(18) =20400a(19) =7800a(20) =18360a(21) =17160a(22) =26520a(23) =10080a(24) =47040a(25) =9360a(26) =15120a(27) =10920a(28) =55080a(29) =20160
External references
- oeis: A377418