# A108555 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 12 4 35 5 116 6 411 7 1482 8 5333 9 19030 10 67265 11 235704 12 819863 13 2834600 14 9752951 15 33428054 16 114228713 17 389419114 18 1325155261 19 4503031332 20 15285291851 21 51842203804 22 175719341971 23 595316455842 24 2016131645245 25 6826076021310