# A324132 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 24
5 120
6 715
7 4946
8 38963
9 344350
10 3374300
11 36309360
12 425630742
13 5398849407
14 73675463140
15 1076309968529
16 16759420085633
17 277094358530356
18 4848092369455556
19 89489787445905318
20 1738016295746132796
21 35427829798218756153
22 756269443056959088424
23 16871986369868627423375