# A192680 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 7
5 20
6 65
7 232
8 883
9 3581
10 15383
11 69579
12 329769
13 1631137
14 8391824
15 44777342
16 247182082
17 1408611456
18 8270902948
19 49953724226
20 309870713560
21 1971523962002
22 12849924998486
23 85702472618249
24 584305721381119
25 4068533850711783
26 28907888594859403