# A317784 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 14 5 47 6 180 7 773 8 3701 9 19488 10 111890 11 695786 12 4656185 13 33356828 14 254675642 15 2063984616 16 17694054723 17 159958176316 18 1520689121858 19 15165205111010