Difference between squares of legs of primitive Pythagorean triangles, sorted (with multiplicity).

Terms

a(0) =7a(1) =41a(2) =119a(3) =161a(4) =239a(5) =527a(6) =721a(7) =959a(8) =1081a(9) =1241a(10) =1393a(11) =1519a(12) =2047a(13) =3281a(14) =3479a(15) =3713a(16) =4207a(17) =4633a(18) =4681a(19) =4879a(20) =5593a(21) =6647a(22) =6887a(23) =7327a(24) =8119a(25) =9401a(26) =9641a(27) =10199a(28) =11753a(29) =12121