# A111119 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 2
5 6
6 5
7 240
8 130
9 4095
10 884
11 122522400
12 5785
13 1570247078400
14 7050580
15 6402818331
16 55911099400
17 83044763560621070208000
18 2152604285
19 342696507457909818131702784000
20 122400523811956
21 16017296251646471425875