a(n) = A008475(n!).

Terms

a(0) =0a(1) =2a(2) =5a(3) =11a(4) =16a(5) =30a(6) =37a(7) =149a(8) =221a(9) =369a(10) =380a(11) =1310a(12) =1323a(13) =2389a(14) =2975a(15) =33695a(16) =33712a(17) =72312a(18) =72331a(19) =269439a(20) =282855a(21) =545109a(22) =545132a(23) =4254514a(24) =4269514a(25) =8463974a(26) =9999248a(27) =35167130a(28) =35167159a(29) =71972737