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

Terms

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