# A260873 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 8
5 16
6 32
7 104
8 321
9 1010
10 3056
11 9477
12 29437
13 91060
14 286574
15 919633
16 2967499
17 10043936
18 40000426