# A056277 (b-file synthesized from sequence entry)
1 1
2 1
3 4
4 13
5 51
6 197
7 875
8 4096
9 20643
10 109246
11 601491
12 3402911
13 19628063
14 114699438
15 676207572
16 4010086352
17 23874362199
18 142508702805
19 852124263683
20 5101098123207
21 30560194492576
22 183176169456214