# A201686 (b-file synthesized from sequence entry)
0 -1
1 -1
2 0
3 1
4 4
5 8
6 18
7 33
8 68
9 124
10 250
11 460
12 922
13 1714
14 3430
15 6433
16 12868
17 24308
18 48618
19 92376
20 184754
21 352714
22 705430
23 1352076
24 2704154
25 5200298
26 10400598
27 20058298
28 40116598
29 77558758
30 155117518
31 300540193
32 601080388
33 1166803108
34 2333606218
35 4537567648
36 9075135298
37 17672631898
38 35345263798
39 68923264408
40 137846528818