# A340600 (b-file synthesized from sequence entry)
0 1
1 1
2 0
3 4
4 7
5 16
6 52
7 206
8 444
9 1624
10 5462
11 19188
12 62890
13 215367
14 765694
15 2854202
16 10634247
17 39842786
18 150669765
19 581189458
20 2287298588
21 9157598354
22 37109364812
23 151970862472
24 629048449881
25 2635589433705
26 11184718653563
27 48064965080106
28 208988724514022
29 918639253237646
30 4079974951494828