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

Terms

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