# A027021 (b-file synthesized from sequence entry)
1 1
2 1
3 6
4 7
5 36
6 56
7 181
8 317
9 826
10 1531
11 3576
12 6832
13 15021
14 29201
15 61966
16 121727
17 252796
18 499816
19 1024101
20 2033077
21 4130226
22 8220851
23 16609456
24 33115232
25 66669661
26 133067881
27 267285606
28 533860567
29 1070731476
30 2139602456