Difference between n and the sum of the factorials of its digits.

Terms

a(0) =0a(1) =0a(2) =-3a(3) =-20a(4) =-115a(5) =-714a(6) =-5033a(7) =-40312a(8) =-362871a(9) =8a(10) =9a(11) =9a(12) =6a(13) =-11a(14) =-106a(15) =-705a(16) =-5024a(17) =-40303a(18) =-362862a(19) =17a(20) =18a(21) =18a(22) =15a(23) =-2a(24) =-97a(25) =-696a(26) =-5015a(27) =-40294a(28) =-362853a(29) =23