# A150223 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 21
4 84
5 341
6 1445
7 6309
8 27788
9 125044
10 570195
11 2614993
12 12120861
13 56615783
14 265431493
15 1252372891
16 5937958979
17 28227542252
18 134746021085
19 645350756373
20 3096830635056
21 14903561941625
22 71893392943530
23 347324211311272
24 1681464054920885
25 8154591774594199
26 39593850266494760
27 192545631945019300