A027184 (1/2)*(n-th largest even number in array T given by A027170).

5, 15, 21, 22, 29, 38, 47, 69, 78, 95, 125, 132, 159, 181, 197, 236, 239, 285, 335, 370, 389, 395, 447, 492, 509, 523, 553, 562, 575, 645, 719, 797, 874, 879, 895, 965, 1035, 1048, 1055, 1109, 1149, 1450, 1506, 1633, 1874, 1945