# A308986 (b-file synthesized from sequence entry)
0 1
1 -2
2 2
3 -4
4 10
5 -20
6 36
7 -72
8 154
9 -308
10 596
11 -1192
12 2420
13 -4840
14 9608
15 -19216
16 38586
17 -77172
18 154036
19 -308072
20 616740
21 -1233480
22 2465768
23 -4931536
24 9865492
25 -19730984
26 39457128
27 -78914256
28 157838120
29 -315676240
30 631333264
31 -1262666528
32 2525371642
33 -5050743284