One sixtieth the product of primitive Pythagorean triangles' sides whose odd values differ by 2.

Terms

a(0) =1a(1) =34a(2) =259a(3) =1092a(4) =3333a(5) =8294a(6) =17927a(7) =34952a(8) =62985a(9) =106666a(10) =171787a(11) =265420a(12) =396045a(13) =573678a(14) =809999a(15) =1118480a(16) =1514513a(17) =2015538a(18) =2641171a(19) =3413332a(20) =4356373a(21) =5497206a(22) =6865431a(23) =8493464a(24) =10416665a(25) =12673466a(26) =15305499a(27) =18357724a(28) =21878557a(29) =25919998