# A101628 (b-file synthesized from sequence entry)
1 1
2 35
3 210
4 30030
5 12012
6 1293292
7 6466460
8 743642900
9 6692786100
10 6016814703900
11 12033629407800
12 63606326869800
13 63606326869800
14 784965679900201800
15 784965679900201800
16 258253708687166392200
17 19865669899012799400
18 31905469837808435400
19 31905469837808435400
20 114827785946272559004600