# A148671 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 7
4 21
5 62
6 201
7 605
8 2101
9 6624
10 23279
11 76574
12 271210
13 918146
14 3282137
15 11238893
16 40673789
17 141042188
18 513109423
19 1799944820
20 6574646252
21 23298560696
22 85395592241
23 304350318826
24 1120679472528
25 4017613299798
26 14831846057264
27 53456773456522
28 197791164281572
29 716440662966534
30 2655844304710287