Ordered set of (a + b - c)/2 as (a,b,c) runs through all primitive Pythagorean triples with a<b<c.

Terms

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