# A219231 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 15 5 47 6 160 7 554 8 1987 9 7243 10 26873 11 100930 12 383412 13 1469673 14 5679033 15 22095308 16 86489211 17 340360513 18 1345814572 19 5344184197 20 21303295069 21 85216434084 22 341960332173 23 1376212103798 24 5553269024152 25 22463340663474 26 91071265881382 27 369996643180885 28 1506118767637576