Numbers k such that k | A002129(k).

Terms

a(0) =1a(1) =60a(2) =728a(3) =6960a(4) =60512a(5) =97152a(6) =728000a(7) =1900080a(8) =2184000a(9) =4371840a(10) =26522496a(11) =843480000a(12) =23009688000a(13) =46352390400a(14) =93155148800a(15) =279465446400a(16) =701869363200a(17) =938948846080