# A150299 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 24
4 98
5 412
6 1840
7 8154
8 37224
9 171160
10 793154
11 3716730
12 17465560
13 82664746
14 392713914
15 1872141724
16 8959486334
17 42973967858
18 206712819136
19 996416355570
20 4812329849512
21 23285606526834
22 112842422049906
23 547665328751596
24 2661489800389408
25 12949604740884364
26 63078260567268032
27 307567027977622324