# A151444 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 26
5 88
6 311
7 1153
8 4333
9 16829
10 66002
11 264115
12 1066884
13 4363921
14 18002965
15 74905311
16 313910581
17 1323968067
18 5616942579
19 23952413637
20 102631047883
21 441627135110
22 1907887954979
23 8271997010078
24 35984511382945
25 157019757068451
26 687117606836508
27 3014802801069618
28 13260483082517811