# A150475 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 25
4 99
5 407
6 1736
7 7584
8 33771
9 152633
10 697966
11 3222902
12 15000588
13 70287630
14 331218105
15 1568416959
16 7458237045
17 35596100785
18 170438383971
19 818403513883
20 3939723976715
21 19008401989542
22 91898156436871
23 445105730900628
24 2159434063875192
25 10492328046710094
26 51050700215626557
27 248701904388999187