# A150203 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 21
4 80
5 322
6 1347
7 5796
8 25477
9 113874
10 515818
11 2362069
12 10914502
13 50815843
14 238113099
15 1121913889
16 5311353117
17 25249666932
18 120473327642
19 576668900224
20 2768258625991
21 13322888865844
22 64266963824287
23 310653575562268
24 1504452962143164
25 7298269464489332
26 35459668011919995
27 172530211194057549