# A318002 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 37 4 425 5 6601 6 129005 7 3044077 8 84239825 9 2675886481 10 95979282005 11 3837251617717 12 169216980911225 13 8160026826620761 14 427179965967027005 15 24127907244206776957 16 1462542541799076574625 17 94704025153744512625441 18 6524332029969395884644005 19 476487260493293293849001797 20 36772596077297424381362590025 21 2990260766874609440239439756521