# A118712 (b-file synthesized from sequence entry)
1 1
2 0
3 0
4 -5
5 6
6 -16
7 9
8 -134400
9 647248
10 -1711908
11 6076067
12 -85248000
13 116477425
14 -1764364437
15 909276004
16 -522319050599375232
17 14313181351994538493
18 -165893335414907083200
19 2939566160282258664451
20 -5007637771411479278976
21 75399747694572065660672