Sum of factorials of digits of n equals the largest prime factor of n.

Terms

a(0) =2a(1) =12a(2) =341a(3) =403a(4) =1200a(5) =1232a(6) =2000a(7) =2204a(8) =4530a(9) =4614a(10) =5134a(11) =10000a(12) =13200a(13) =13345a(14) =14210a(15) =21141a(16) =23100a(17) =31433a(18) =40020a(19) =101442a(20) =111252a(21) =111452a(22) =112000a(23) =112320a(24) =123201a(25) =135453a(26) =145343a(27) =162121a(28) =173434a(29) =200025