# A028548 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 5461
4 81485
5 822719
6 5981171
7 35644936
8 182099840
9 827892416
10 3421494778
11 13071040971
12 46705593456
13 157565735017
14 505495512327
15 1551275741849
16 4575618361577
17 13023672238682
18 35891688317656
19 96044494715093
20 250169937122941
21 635634787400407