# A146411 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 1 7 7 8 21 9 45 10 89 11 233 12 863 13 3251 14 15437 15 73625 16 393971 17 2328247 18 15894743 19 120359659 20 1040197243 21 9831811849 22 105976019467