# A153903 (b-file synthesized from sequence entry)
0 1
1 2
2 2
3 3
4 3
5 7
6 10
7 21
8 34
9 88
10 150
11 421
12 807
13 2708
14 6019
15 22444
16 58037
17 245472
18 706322
19 3364913
20 10967191
21 59955069
22 222028350
23 1374087876
24 5812458172
25 40846719268
26 195779164954
27 1558347753536
28 8466932734756
29 76665491618022
30 472779311230382