# A077927 (b-file synthesized from sequence entry)
0 1
1 -1
2 3
3 -7
4 17
5 -39
6 93
7 -219
8 517
9 -1219
10 2877
11 -6787
12 16013
13 -37779
14 89133
15 -210291
16 496141
17 -1170547
18 2761677
19 -6515635
20 15372365
21 -36268083
22 85567437
23 -201879603
24 476295373
25 -1123725619
26 2651210445
27 -6255011635
28 14757474509
29 -34817369907
30 82144763085
31 -193804475187