Number of integer-sided triangles with sides a,b,c, a<b<c, a+b+c=n that are obtuse.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =1a(9) =0a(10) =1a(11) =0a(12) =2a(13) =1a(14) =2a(15) =2a(16) =3a(17) =2a(18) =4a(19) =3a(20) =6a(21) =3a(22) =7a(23) =4a(24) =8a(25) =6a(26) =9a(27) =7a(28) =10a(29) =8