# A035356 (b-file synthesized from sequence entry)
0 1
1 1
2 0
3 0
4 0
5 0
6 1
7 4
8 13
9 45
10 143
11 461
12 1470
13 4747
14 15364
15 50283
16 165549
17 549734
18 1837539
19 6184589
20 20938983
21 71297174
22 244009225
23 839101403
24 2898145437
25 10050549437
26 34985611467
27 122209803101
28 428285696895
29 1505491979826