# A045686 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 0
4 0
5 0
6 2
7 2
8 8
9 14
10 36
11 62
12 140
13 252
14 522
15 968
16 1920
17 3600
18 7028
19 13286
20 25704
21 48914
22 94302
23 180314
24 347480
25 666996
26 1286460
27 2477328
28 4785300
29 9240012
30 17879314
31 34604066
32 67076096
33 130084990
34 252579600
35 490722342
36 954306080