# A277445 (b-file synthesized from sequence entry)
1 1
2 -2
3 -4
4 4
5 48
6 -160
7 -32
8 2176
9 6912
10 0
11 -273408
12 41984
13 19456
14 -37027840
15 -141705216
16 0
17 3833856
18 -34359869440
19 0
20 1625620480000
21 11045440585728
22 -47710208
23 -520279482695680
24 7719016726528
25 909115392000
26 -207717914210467840
27 0
28 0
29 100736516652659638272
30 -721057900040447590400