# A271613 (b-file synthesized from sequence entry)
1 1
2 4
3 26
4 307
5 2571
6 42702
7 3243689
8 132728354
9 1491326272
10 101843558868
11 74672717363118
12 12952235029243936
13 334070494079203752
14 109915013016304822208
15 695394278635888843298780
16 579704015638436450676621584
17 44655320458467210977882177104
18 75051772861714827753881814035744