Position of n! in A025487.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =17a(5) =34a(6) =67a(7) =125a(8) =224a(9) =391a(10) =666a(11) =1108a(12) =1797a(13) =2887a(14) =4552a(15) =7088a(16) =10875a(17) =16495a(18) =24756a(19) =36766a(20) =54084a(21) =78858a(22) =114018a(23) =163558a(24) =232965a(25) =329478a(26) =462996a(27) =646551a(28) =897699a(29) =1239395