# A056314 (b-file synthesized from sequence entry)
1 3
2 3
3 15
4 39
5 132
6 357
7 1131
8 3276
9 9945
10 29508
11 88935
12 265668
13 798252
14 2391441
15 7177584
16 21523320
17 64579920
18 193709763
19 581160255
20 1743392040
21 5230264026
22 15690529437
23 47071855131
24 141214764600