# A173559 (b-file synthesized from sequence entry)
0 1
1 -6
2 -13
3 -27
4 -50
5 -106
6 -208
7 -412
8 -840
9 -1656
10 -3328
11 -6672
12 -13280
13 -26656
14 -53248
15 -106432
16 -213120
17 -425856
18 -851968
19 -1704192
20 -3407360
21 -6816256
22 -13631488
23 -27261952
24 -54528000
25 -109049856
26 -218103808
27 -436211712
28 -872407040
29 -1744838656