Brilliant numbers (A078972) that are sums of distinct factorials.

Terms

a(0) =6a(1) =9a(2) =25a(3) =121a(4) =841a(5) =871a(6) =5041a(7) =5767a(8) =363721a(9) =368761a(10) =409111a(11) =3633841a(12) =3992431a(13) =3992551a(14) =4032121a(15) =4037791a(16) =39962281a(17) =39962311a(18) =39963031a(19) =40279711a(20) =40279801a(21) =43585921a(22) =43591687a(23) =43909207a(24) =479047801a(25) =479365321a(26) =479370271a(27) =482631271