# A149054 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 10
4 40
5 155
6 660
7 2794
8 12298
9 54508
10 246019
11 1118974
12 5142467
13 23787738
14 110771042
15 518450180
16 2438101647
17 11510929374
18 54541727014
19 259238260109
20 1235642708801
21 5904368990845
22 28277470823716
23 135705458477891
24 652478353351991
25 3142499715336928
26 15158778568759899
27 73228161288914446