# A094033 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 3
4 18
5 75
6 270
7 903
8 2898
9 9075
10 27990
11 85503
12 259578
13 784875
14 2366910
15 7125303
16 21425058
17 64373475
18 193317030
19 580344303
20 1741819338
21 5227030875
22 15684238350
23 47059006503
24 141189602418
25 423593973075
26 1270832250870