Ordered short legs of Pythagorean triangles.

Terms

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