# A268481 (b-file synthesized from sequence entry)
1 1
2 -2
3 10
4 16
5 -184
6 456
7 -272
8 5776
9 -30736
10 55504
11 7936
12 -284288
13 2555008
14 -8998016
15 13801600
16 -353792
17 20594432
18 -280444416
19 1567885056
20 -4267790592
21 5960135424
22 22368256
23 -2093148160
24 40551058432
25 -325702463488
26 1337523883008
27 -3059655994368
28 4024935613440