# A150145 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 20
4 73
5 285
6 1148
7 4779
8 20334
9 88008
10 386678
11 1718210
12 7712724
13 34911184
14 159158001
15 730223827
16 3368483512
17 15614541300
18 72693167654
19 339721530052
20 1593166776075
21 7494694158385
22 35357515510128
23 167237574738609
24 792892967407281
25 3767403585314309
26 17936611598970073
27 85554869014994671