# A113291 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 1
4 -2
5 4
6 -7
7 13
8 -24
9 48
10 -99
11 221
12 -512
13 1268
14 -3247
15 8773
16 -24400
17 70896
18 -211347
19 653541
20 -2068472
21 6755684
22 -22541135
23 77305981
24 -270435640
25 969413776
26 -3539893923
27 13212871629
28 -50180362320
29 194412817844
30 -765590169935
31 3070433223317