Ordered perimeters of Pythagorean triangles, listed with multiplicity.

Terms

a(0) =12a(1) =24a(2) =30a(3) =36a(4) =40a(5) =48a(6) =56a(7) =60a(8) =60a(9) =70a(10) =72a(11) =80a(12) =84a(13) =84a(14) =90a(15) =90a(16) =96a(17) =108a(18) =112a(19) =120a(20) =120a(21) =120a(22) =126a(23) =132a(24) =132a(25) =140a(26) =144a(27) =144a(28) =150a(29) =154