Numbers k that divide the sum of the digits of k!!, the double factorial of k.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =9a(6) =51a(7) =57a(8) =252a(9) =585a(10) =1131a(11) =2106a(12) =2172a(13) =2250a(14) =2292a(15) =26159a(16) =26769a(17) =27253a(18) =28071a(19) =46802a(20) =47148a(21) =48018a(22) =133578a(23) =134964a(24) =584037