# A268401 (b-file synthesized from sequence entry)
4 1
5 6
6 31
7 146
8 655
9 2850
10 12148
11 51028
12 212039
13 873870
14 3578404
15 14578576
16 59149381
17 239177006
18 964439355
19 3879856458
20 15577609711
21 62439489346
22 249917575553
23 999080441830
24 3989726087031
25 15917901326330
26 63457122234055
27 252796365476922
28 1006456231070795
29 4004838954237250
30 15928299669867291