# A077865 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 9 4 18 5 32 6 60 7 107 8 196 9 351 10 637 11 1144 12 2068 13 3720 14 6713 15 12086 16 21793 17 39253 18 70754 19 127468 20 229724 21 413907 22 745888 23 1343979 24 2421849 25 4363920 26 7863640 27 14169632 28 25532993 29 46008618 30 82904973 31 149389217 32 269190546 33 485064008 34 874055884 35 1574993355