# A149319 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 12
4 37
5 139
6 511
7 1889
8 7386
9 29461
10 117067
11 474619
12 1967869
13 8140890
14 33951702
15 143818185
16 610812118
17 2601204085
18 11183931168
19 48341357130
20 209165014365
21 909994942656
22 3981103155218
23 17440110729635
24 76622866065120
25 338201784898856
26 1495882386211394
27 6626913097151153