# A320843 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 8 5 10 6 36 7 41 8 132 9 250 10 700 11 750 12 4010 13 4237 14 10680 15 24679 16 87328 17 90478 18 435812 19 449586 20 1939684 21 3853278 22 8650900 23 8840110 24 60035322 25 80605209 26 177211024 27 368759752 28 1380348224 29 1401414640 30 8892787136 31 9014369784 32 33923638848 33 59455553072 34 126536289568 35 207587882368