# A150774 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 30
4 129
5 560
6 2519
7 11486
8 53195
9 248410
10 1170519
11 5547012
12 26430472
13 126464825
14 607337619
15 2925618904
16 14131096096
17 68412200083
18 331879233862
19 1612898604913
20 7851101136329
21 38271628378829
22 186803322830844
23 912850016307839
24 4465556565702484
25 21866158246236156
26 107165459975155635