# A009508 (b-file synthesized from sequence entry)
0 0
1 2
2 4
3 -18
4 -2200
5 -150150
6 -11618004
7 -1078005082
8 -118928710576
9 -15184771406478
10 -2148536703814700
11 -309605570133329954
12 -34193099991177752904
13 4268254817856544829418
14 6637048590856623019431932