# A037446 (b-file synthesized from sequence entry)
1 0
2 0
3 1
4 1
5 3
6 5
7 11
8 23
9 52
10 120
11 286
12 702
13 1779
14 4636
15 12398
16 33981
17 95303
18 273134
19 798957
20 2382777
21 7238273
22 22376763
23 70343548
24 224698356
25 728843771
26 2399172217
27 8010042859
28 27109839313
29 92966452913
30 322876110331