# A150321 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 21
4 93
5 334
6 1545
7 5904
8 28361
9 113885
10 551115
11 2267035
12 11116928
13 46792329
14 229966829
15 980712270
16 4849282854
17 20956092385
18 103706253002
19 451920681361
20 2243783211929
21 9862687093128
22 48985163274870
23 216579668572023
24 1077789377046301
25 4794449369040784
26 23862905082085041
27 106615213319244750