# A032095 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 10
5 32
6 126
7 452
8 1716
9 6400
10 24310
11 92252
12 352716
13 1351616
14 5200300
15 20056584
16 77558760
17 300533760
18 1166803110
19 4537543340
20 17672631900
21 68923172032
22 269128937220
23 1052049129144
24 4116715363800