# A347953 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 8 4 35 5 171 6 882 7 4744 8 26286 9 149045 10 860596 11 5042968 12 29913676 13 179270434 14 1083794310 15 6601817952 16 40479778395 17 249646876065 18 1547539929810 19 9637085582640 20 60260786147261 21 378212395786511 22 2381767469829332 23 15045137488662048 24 95304451461770250