Number of numbers the sum of whose digits' factorials equals n.

Terms

a(0) =2a(1) =3a(2) =7a(3) =17a(4) =41a(5) =100a(6) =242a(7) =587a(8) =1423a(9) =3450a(10) =8364a(11) =20278a(12) =49162a(13) =119189a(14) =288963a(15) =700565a(16) =1698457a(17) =4117757a(18) =9983133a(19) =24203212a(20) =58678520a(21) =142260817a(22) =344898611a(23) =836175797a(24) =2027233339a(25) =4914845690a(26) =11915603246a(27) =28888313016a(28) =70037127930a(29) =169798744773