# A121483 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 19
5 56
6 167
7 487
8 1411
9 4047
10 11527
11 32617
12 91790
13 257065
14 716896
15 1991792
16 5515535
17 15227846
18 41930133
19 115176023
20 315676425
21 863475561
22 2357539227
23 6425887551
24 17487572124
25 47522431681
26 128969086382
27 349567320762