A073332 Composite solutions to S(n) = rad(n), where S() is A002034 and rad() is A007947.

18, 36, 48, 50, 72, 98, 100, 144, 196, 200, 242, 338, 375, 392, 400, 484, 578, 676, 722, 784, 800, 968, 1029, 1058, 1125, 1156, 1280, 1352, 1444, 1568, 1600, 1682, 1922, 1936, 2116, 2312