# A060202 (b-file synthesized from sequence entry)
0 4
1 6
2 12
3 36
4 180
5 1620
6 27540
7 908820
8 59073300
9 7620455700
10 1958457114900
11 1004688499943700
12 1029805712442292500
13 2110071904794257332500
14 8644964593942072291252500
15 70828194918167398282231732500