Number of incongruent integer-sided triangles with sides a,b,c, a<b<c, a+b+c=n such that gcd(a,b,c)=1.
A024162
Number of incongruent integer-sided triangles with sides a,b,c, a<b<c, a+b+c=n such that gcd(a,b,c)=1.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =1a(10) =0a(11) =1a(12) =1a(13) =2a(14) =1a(15) =3a(16) =2a(17) =4a(18) =2a(19) =5a(20) =4a(21) =7a(22) =4a(23) =8a(24) =6a(25) =10a(26) =6a(27) =11a(28) =9a(29) =14
External references
- oeis: A024162