# A150300 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 21
4 80
5 275
6 1120
7 4164
8 17627
9 68636
10 297325
11 1194403
12 5261790
13 21631711
14 96502081
15 403736439
16 1818348174
17 7712720923
18 35000405956
19 150124914344
20 685486436315
21 2967502084569
22 13619251406030
23 59418422131252
24 273872899297569
25 1202825082289681
26 5564479952269571
27 24579592893740449