# A022913 (b-file synthesized from sequence entry)
1 1
2 4
3 13
4 30
5 63
6 124
7 233
8 431
9 798
10 1480
11 2772
12 5232
13 9964
14 19120
15 36931
16 71711
17 139843
18 273633
19 536868
20 1055596
21 2079074
22 4100581
23 8096797
24 16002508
25 31652202
26 62648233
27 124068507