# A087449 (b-file synthesized from sequence entry)
0 1
1 4
2 19
3 91
4 427
5 1963
6 8875
7 39595
8 174763
9 764587
10 3320491
11 14330539
12 61516459
13 262843051
14 1118481067
15 4742359723
16 20043180715
17 84467690155
18 355050629803
19 1488921995947
20 6230565890731
21 26021775190699
22 108485147273899