# A308032 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 1 7 2 8 4 9 8 10 16 11 32 12 66 13 143 14 333 15 838 16 2250 17 6320 18 18275 19 53925 20 161957 21 495898 22 1554159 23 5008758 24 16662249 25 57311722 26 203662894 27 745602490 28 2801326407 29 10760995574 30 42141768601 31 167955587806 32 680843078327 33 2808084199432 34 11793793850210 35 50489830489534