# A334328 (b-file synthesized from sequence entry)
1 6
2 24
3 120
4 576
5 2760
6 12984
7 60984
8 285408
9 1333800
10 6233160
11 29160384
12 136266336
13 637801008
14 2981648544
15 13958155920
16 65277740160
17 305608333056
18 1429708907808
19 6693530115984
20 31322446230480
21 146644481840472
22 686366895112272
23 3213444320539704
24 15042778262399904